Pocket Watch Patents

Watch Friction Safety Pinion

Patent Number:	44161
Description:	Watch Friction Safety Pinion
Inventor:	Burt Merritt
Patent Date:	Sep 13, 1864
Registration Type:	Patent

Watch Safety Pinion

Patent Number:	RE2189
Description:	Watch Safety Pinion
Inventor:	Burt Merritt
Patent Date:	Mar 6, 1866
Registration Type:	Patent

Watch Cock Or Bridge

Patent Number:	77078
Description:	Watch Cock Or Bridge
Inventor:	Moseley Charles S
Patent Date:	Apr 21, 1868
Registration Type:	Patent

Watch Pallet

Patent Number:	77827
Description:	Watch Pallet
Inventor:	Mason Charles E
Patent Date:	May 12, 1868
Registration Type:	Patent

Watch Main Spring Ratchet

Patent Number:	89328
Description:	Watch Main Spring Ratchet
Inventor:	Moseley Charles S
Patent Date:	Apr 27, 1869
Registration Type:	Patent

Watch Dustproof Movement

Patent Number:	95128
Description:	Watch Dustproof Movement
Inventor:	Moseley Charles S
Patent Date:	Sep 21, 1869
Registration Type:	Patent

Watch Pinion

Patent Number:	96865
Description:	Watch Pinion
Inventor:	Bacon Benjamin
Assignee:	Natl Watch Co
Patent Date:	Nov 16, 1869
Registration Type:	Patent

Watch Safety Pinion

Patent Number:	104756
Description:	Watch Safety Pinion
Inventor:	Moseley Charles S
Patent Date:	Jun 28, 1870
Registration Type:	Patent

Watch Movement

Patent Number:	108332
Description:	Watch Movement
Inventor:	Currier Daniel G
Patent Date:	Oct 18, 1870
Registration Type:	Patent

Watch Dust Excluder

Patent Number:	RE5833
Description:	Watch Dust Excluder
Inventor:	Moseley Charles S
Assignee:	Natl Watch Co
Patent Date:	Apr 14, 1874
Registration Type:	Patent

Hand-Setting Attachments For Watches

Patent Number:	152113
Description:	Hand-Setting Attachments For Watches
Inventor:	Hunter George
Assignee:	Natl Watch Co
Patent Date:	Jun 16, 1874
Registration Type:	Patent

Watch Regulator

Patent Number:	157021
Description:	Watch Regulator
Inventor:	Hunter George Moseley Charles S
Assignee:	Elgin Natl Watch Co
Patent Date:	Nov 17, 1874
Registration Type:	Patent

Watch Main Spring

Patent Number:	161236
Description:	Watch Main Spring
Inventor:	Hunter George
Patent Date:	Mar 23, 1875
Registration Type:	Patent

Watch Stem Wind

Patent Number:	161262
Description:	Watch Stem Wind
Inventor:	Moseley Charles S
Assignee:	Natl Watch Co
Patent Date:	Mar 23, 1875
Registration Type:	Patent

Watch Cannon Pinion

Patent Number:	173011
Description:	Watch Cannon Pinion
Inventor:	Hunter George Moseley Charles S
Assignee:	Elgin Natl Watch Co
Patent Date:	Feb 1, 1876
Registration Type:	Patent

Watch

Patent Number:	185867
Description:	Watch
Inventor:	Moseley Charles S
Assignee:	Elgin Natl Watch Co
Patent Date:	Jan 2, 1877
Registration Type:	Patent

Watch Dust Cap

Patent Number:	191967
Description:	Watch Dust Cap
Inventor:	Hunter George
Patent Date:	Jun 12, 1877
Registration Type:	Patent

Dial Attachment For Stem-Winding Watches

Patent Number:	222460
Description:	Dial Attachment For Stem-Winding Watches
Inventor:	Corliss Charles P
Assignee:	Elgin Natl Watch Co
Patent Date:	Dec 9, 1879
Registration Type:	Patent

Watch & Clock Apply Color To Enamel Dial

Patent Number:	309909
Description:	Watch & Clock Apply Color To Enamel Dial
Inventor:	Abbott Henry
Assignee:	Garrison Winton C
Patent Date:	Dec 30, 1884
Registration Type:	Patent

Watch Stem Wind

Patent Number:	RE10554
Description:	Watch Stem Wind
Inventor:	Folsom Rufus Smith Harry R
Assignee:	Elgin Natl Watch Co
Patent Date:	Jan 27, 1885
Registration Type:	Patent

Machine Pinion Polisher

Patent Number:	312855
Description:	Machine Pinion Polisher
Inventor:	Hunter George Leman Frank
Patent Date:	Feb 24, 1885
Registration Type:	Patent

Watch Stem Wind & Set

Patent Number:	325506
Description:	Watch Stem Wind & Set
Inventor:	Corliss Charles P
Assignee:	Elgin Natl Watch Co
Patent Date:	Sep 1, 1885
Registration Type:	Patent

Watch Stop

Patent Number:	339862
Description:	Watch Stop
Inventor:	Corliss Charles P
Assignee:	Elgin Natl Watch Co
Patent Date:	Apr 13, 1886
Registration Type:	Patent

Watch Dial Machine For Space

Patent Number:	339922
Description:	Watch Dial Machine For Space
Inventor:	Perkins Frncis B
Assignee:	Elgin Natl Watch Co
Patent Date:	Apr 13, 1886
Registration Type:	Patent

Watch Movement Packing Box

Patent Number:	339943
Description:	Watch Movement Packing Box
Inventor:	Smith Carlos H
Assignee:	Elgin Natl Watch Co
Patent Date:	Apr 13, 1886
Registration Type:	Patent

Watch Dial

Patent Number:	340044
Description:	Watch Dial
Inventor:	Hunter George
Assignee:	Elgin Natl Watch Co
Patent Date:	Apr 13, 1886
Registration Type:	Patent

Watch Dial

Patent Number:	340045
Description:	Watch Dial
Inventor:	Hunter George
Assignee:	Elgin Natl Watch Co
Patent Date:	Apr 13, 1886
Registration Type:	Patent

Watch Dial

Patent Number:	340507
Description:	Watch Dial
Inventor:	Hunter George
Assignee:	Elgin Natl Watch Co
Patent Date:	Apr 20, 1886
Registration Type:	Patent

Watch Dial

Patent Number:	340508
Description:	Watch Dial
Inventor:	Hunter George
Assignee:	Elgin Natl Watch Co
Patent Date:	Apr 20, 1886
Registration Type:	Patent

Watch Stem Wind & Set

Patent Number:	345619
Description:	Watch Stem Wind & Set
Inventor:	Corliss Charles P
Assignee:	Elgin Natl Watch Co
Patent Date:	Jul 13, 1886
Registration Type:	Patent

Machine Watch Steady Pin

Patent Number:	345634
Description:	Machine Watch Steady Pin
Inventor:	Hunter George E
Assignee:	Elgin Natl Watch Co
Patent Date:	Jul 13, 1886
Registration Type:	Patent

Machine Watch Steady Pin

Patent Number:	345635
Description:	Machine Watch Steady Pin
Inventor:	Hunter George E
Assignee:	Elgin Natl Watch Co
Patent Date:	Jul 13, 1886
Registration Type:	Patent

Machine Watch Escape Guard Pin

Patent Number:	345636
Description:	Machine Watch Escape Guard Pin
Inventor:	Hunter George E
Assignee:	Elgin Natl Watch Co
Patent Date:	Jul 13, 1886
Registration Type:	Patent

Watch Balance

Patent Number:	347271
Description:	Watch Balance
Inventor:	Hunter George E
Assignee:	Elgin Natl Watch Co
Patent Date:	Aug 10, 1886
Registration Type:	Patent

Watch Movement

Patent Number:	347272
Description:	Watch Movement
Inventor:	Hunter George
Assignee:	Elgin Natl Watch Co
Patent Date:	Aug 10, 1886
Registration Type:	Patent

Timepiece Compensate Balance For

Patent Number:	347297
Description:	Timepiece Compensate Balance For
Inventor:	Hunter George E
Patent Date:	Aug 10, 1886
Registration Type:	Patent

Watch Movement

Patent Number:	RE11014
Description:	Watch Movement
Inventor:	Hunter George
Assignee:	Elgin Natl Watch Co
Patent Date:	Jul 23, 1889
Registration Type:	Patent

Watch Cannon Pinion

Patent Number:	417644
Description:	Watch Cannon Pinion
Inventor:	Hunter George E
Assignee:	Elgin Natl Watch Co
Patent Date:	Dec 17, 1889
Registration Type:	Patent

Watch Dial Mfg

Patent Number:	425020
Description:	Watch Dial Mfg
Inventor:	Buchanan David R
Assignee:	Elgin Natl Watch Co
Patent Date:	Apr 8, 1890
Registration Type:	Patent

Watch Adjust

Patent Number:	437203
Description:	Watch Adjust
Inventor:	Hunter George E Corthell Frederick H
Assignee:	Elgin Natl Watch Co
Patent Date:	Sep 30, 1890
Registration Type:	Patent

Watch Adjust

Patent Number:	437204
Description:	Watch Adjust
Inventor:	Corthell Frederick H Hunter George E
Assignee:	Elgin Natl Watch Co
Patent Date:	Sep 30, 1890
Registration Type:	Patent

Watch Apparatus For Adjust

Patent Number:	437205
Description:	Watch Apparatus For Adjust
Inventor:	Corthell Frederick H Hunter George E
Assignee:	Elgin Natl Watch Co
Patent Date:	Sep 30, 1890
Registration Type:	Patent

Watch Apparatus For Adjust

Patent Number:	437206
Description:	Watch Apparatus For Adjust
Inventor:	Hunter George E Corthell Frederick H
Assignee:	Elgin Natl Watch Co
Patent Date:	Sep 30, 1890
Registration Type:	Patent

Watch Movement

Patent Number:	455046
Description:	Watch Movement
Inventor:	Hunter George E Corthell Fred H
Assignee:	Elgin Natl Watch Co
Patent Date:	Jun 30, 1891
Registration Type:	Patent

Stem Set Second Hand

Patent Number:	455285
Description:	Stem Set Second Hand
Inventor:	Corthell Fred H Hunter George E
Assignee:	Elgin Natl Watch Co
Patent Date:	Jun 30, 1891
Registration Type:	Patent

Watch Balance Hair Spring System Adjust Temp

Patent Number:	484796
Description:	Watch Balance Hair Spring System Adjust Temp
Inventor:	Hunter George E
Assignee:	Elgin Natl Watch Co
Patent Date:	Oct 25, 1892
Registration Type:	Patent

Watch Balance Hair Spring Mech Time Adjust

Patent Number:	484797
Description:	Watch Balance Hair Spring Mech Time Adjust
Inventor:	Hunter George E
Assignee:	Elgin Natl Watch Co
Patent Date:	Oct 25, 1892
Registration Type:	Patent

Watch Movement Box

Patent Number:	488097
Description:	Watch Movement Box
Inventor:	Smith Carlos H
Assignee:	Elgin Natl Watch Co
Patent Date:	Dec 13, 1892
Registration Type:	Patent

Watch Balance & Hair Spring Mech Test

Patent Number:	490202
Description:	Watch Balance & Hair Spring Mech Test
Inventor:	Hunter George E
Assignee:	Elgin Natl Watch Co
Patent Date:	Jan 17, 1893
Registration Type:	Patent

Watch Balance & Hair Spring Test

Patent Number:	490203
Description:	Watch Balance & Hair Spring Test
Inventor:	Hunter George E
Assignee:	Elgin Natl Watch Co
Patent Date:	Jan 17, 1893
Registration Type:	Patent

Watch Balance Mfg

Patent Number:	490204
Description:	Watch Balance Mfg
Inventor:	Hunter George E
Assignee:	Elgin Natl Watch Co
Patent Date:	Jan 17, 1893
Registration Type:	Patent

Watch Stem Wind & Set

Patent Number:	503482
Description:	Watch Stem Wind & Set
Inventor:	Hunter George E
Assignee:	Elgin Natl Watch Co
Patent Date:	Aug 15, 1893
Registration Type:	Patent

Tool Dutch Jewel Set

Patent Number:	503483
Description:	Tool Dutch Jewel Set
Inventor:	Hunter George E
Assignee:	Elgin Natl Watch Co
Patent Date:	Aug 15, 1893
Registration Type:	Patent

Watch Stem Wind & Set

Patent Number:	503527
Description:	Watch Stem Wind & Set
Inventor:	Corliss Charles P
Assignee:	Elgin Natl Watch Co
Patent Date:	Aug 15, 1893
Registration Type:	Patent

Tool Watch Jewel Loader

Patent Number:	520681
Description:	Tool Watch Jewel Loader
Inventor:	Hunter George E
Assignee:	Elgin Natl Watch Co
Patent Date:	May 29, 1894
Registration Type:	Patent

Machine Watch Jewel Load

Patent Number:	521715
Description:	Machine Watch Jewel Load
Inventor:	Smith Curtis A Jackman Lemuel N
Assignee:	Elgin Natl Watch Co
Patent Date:	Jun 19, 1894
Registration Type:	Patent

Watch Dial Fasten

Patent Number:	523913
Description:	Watch Dial Fasten
Inventor:	Hunter George E
Assignee:	Elgin Natl Watch Co
Patent Date:	Jul 31, 1894
Registration Type:	Patent

Machine Dial Sink

Patent Number:	527988
Description:	Machine Dial Sink
Inventor:	Hunter George E
Assignee:	Elgin Natl Watch Co
Patent Date:	Oct 23, 1894
Registration Type:	Patent

Watch Center Wheel & Pinion

Patent Number:	535238
Description:	Watch Center Wheel & Pinion
Inventor:	Corthell Fred H
Assignee:	Elgin Natl Watch Co
Patent Date:	Mar 5, 1895
Registration Type:	Patent

J Set Machine

Patent Number:	555447
Description:	J Set Machine
Inventor:	Hunter George E
Assignee:	Elgin Natl Watch Co
Patent Date:	Feb 25, 1896
Registration Type:	Patent

Machine Watch Man Spring

Patent Number:	557021
Description:	Machine Watch Man Spring
Inventor:	Purdy Fred
Assignee:	Elgin Natl Watch Co
Patent Date:	Mar 24, 1896
Registration Type:	Patent

Watch Movement Box

Patent Number:	557444
Description:	Watch Movement Box
Inventor:	Smith Charles H
Assignee:	Elgin Natl Watch Co
Patent Date:	Mar 31, 1896
Registration Type:	Patent

Tool Watch Truing

Patent Number:	558811
Description:	Tool Watch Truing
Inventor:	Hunter George E
Assignee:	Elgin Natl Watch Co
Patent Date:	Apr 21, 1896
Registration Type:	Patent

Metal Ornament Machine

Patent Number:	563595
Description:	Metal Ornament Machine
Inventor:	Hunter George E
Assignee:	Elgin Natl Watch Co
Patent Date:	Jul 7, 1896
Registration Type:	Patent

Watch Test Balance Hair Spring Record Mech Vibra

Patent Number:	566177
Description:	Watch Test Balance Hair Spring Record Mech Vibra
Inventor:	Hunter George E
Assignee:	Elgin Natl Watch Co
Patent Date:	Aug 18, 1896
Registration Type:	Patent

Stem Wind & Mech

Patent Number:	585025
Description:	Stem Wind & Mech
Inventor:	Corliss Charles P
Assignee:	Elgin Natl Watch Co
Patent Date:	Jun 22, 1897
Registration Type:	Patent

Watch Repeat

Patent Number:	587574
Description:	Watch Repeat
Inventor:	Gabriel William A
Assignee:	Elgin Natl Watch Co
Patent Date:	Aug 3, 1897
Registration Type:	Patent

Watch Main Spring Fasten

Patent Number:	596395
Description:	Watch Main Spring Fasten
Inventor:	Corthell Fred H
Assignee:	Elgin Natl Watch Co
Patent Date:	Dec 28, 1897
Registration Type:	Patent

Wind Mech For Main Spring Barrel

Patent Number:	596407
Description:	Wind Mech For Main Spring Barrel
Inventor:	Hunter George
Assignee:	Elgin Natl Watch Co
Patent Date:	Dec 28, 1897
Registration Type:	Patent

Watch Safety Barrel

Patent Number:	596408
Description:	Watch Safety Barrel
Inventor:	Hunter George
Assignee:	Elgin Natl Watch Co
Patent Date:	Dec 28, 1897
Registration Type:	Patent

Jeweler's Gage

Patent Number:	1020832
Description:	Jeweler's Gage
Inventor:	Malvern Lewis K.
Assignee:	Elgin National Watch Co
Patent Date:	Apr 19, 1912
Registration Type:	Patent

Watch Stem Wind & Set

Patent Number:	1096304
Description:	Watch Stem Wind & Set
Inventor:	Hunter George E
Assignee:	Elgin Natl Watch Co
Patent Date:	May 12, 1914
Registration Type:	Patent

Watch Dial -Eagle & Stars-

Patent Number:	D51627
Description:	Watch Dial -Eagle & Stars-
Inventor:	Goodrow Francis A
Assignee:	Elgin Natl Watch Co
Patent Date:	Dec 25, 1917
Registration Type:	Patent

Watch Wrist Case & Clamp

Patent Number:	1326934
Description:	Watch Wrist Case & Clamp
Inventor:	Hulburd De Forest
Assignee:	Elgin Natl Watch Co
Patent Date:	Jan 6, 1920
Registration Type:	Patent

Watch Movement Box

Patent Number:	1331263
Description:	Watch Movement Box
Inventor:	Hunter George E
Assignee:	Elgin Natl Watch Co
Patent Date:	Feb 17, 1920
Registration Type:	Patent

Design For The Hands Of A Timepiece

Patent Number:	D55781
Description:	Design For The Hands Of A Timepiece
Inventor:	Goodrow Francis A
Assignee:	Elgin National Watch Co
Patent Date:	Jul 13, 1920
Registration Type:	Patent

Design For The Hands Of A Timepiece

Patent Number:	D55782
Description:	Design For The Hands Of A Timepiece
Inventor:	Goodrow Francis A
Assignee:	Elgin National Watch Co
Patent Date:	Jul 13, 1920
Registration Type:	Patent

Design For The Hands Of A Timepiece

Patent Number:	D55783
Description:	Design For The Hands Of A Timepiece
Inventor:	Goodrow Francis A
Assignee:	Elgin National Watch Co
Patent Date:	Jul 13, 1920
Registration Type:	Patent

Design For The Hands Of A Timepiece

Patent Number:	D55784
Description:	Design For The Hands Of A Timepiece
Inventor:	Goodrow Francis A
Assignee:	Elgin National Watch Co
Patent Date:	Jul 13, 1920
Registration Type:	Patent

Design For The Hands Of A Timepiece

Patent Number:	D55785
Description:	Design For The Hands Of A Timepiece
Inventor:	Goodrow Francis A
Assignee:	Elgin National Watch Co
Patent Date:	Jul 13, 1920
Registration Type:	Patent

Design For The Hands Of A Timepiece

Patent Number:	D55786
Description:	Design For The Hands Of A Timepiece
Inventor:	Goodrow Francis A
Assignee:	Elgin National Watch Co
Patent Date:	Jul 13, 1920
Registration Type:	Patent

Watch Dial

Patent Number:	D56099
Description:	Watch Dial
Inventor:	Goodrow Francis A
Assignee:	Elgin Natl Watch Co
Patent Date:	Aug 17, 1920
Registration Type:	Patent

Watch Dial

Patent Number:	D56422
Description:	Watch Dial
Inventor:	Goodrow Francis A
Assignee:	Elgin Natl Watch Co
Patent Date:	Oct 26, 1920
Registration Type:	Patent

Watch Dial

Patent Number:	D56423
Description:	Watch Dial
Inventor:	Goodrow Francis A
Assignee:	Elgin Natl Watch Co
Patent Date:	Oct 26, 1920
Registration Type:	Patent

Watch Dial Green Border

Patent Number:	D56424
Description:	Watch Dial Green Border
Inventor:	Goodrow Francis A
Assignee:	Elgin Natl Watch Co
Patent Date:	Oct 26, 1920
Registration Type:	Patent

Watch Dial

Patent Number:	D56425
Description:	Watch Dial
Inventor:	Goodrow Francis A
Assignee:	Elgin Natl Watch Co
Patent Date:	Oct 26, 1920
Registration Type:	Patent

Watch Dial

Patent Number:	D56426
Description:	Watch Dial
Inventor:	Goodrow Francis A
Assignee:	Elgin Natl Watch Co
Patent Date:	Oct 26, 1920
Registration Type:	Patent

Watch Dial

Patent Number:	D60336
Description:	Watch Dial
Inventor:	Goodrow Francis A
Assignee:	Elgin Natl Watch Co
Patent Date:	Feb 7, 1922
Registration Type:	Patent

Device For Lapping Gauges

Patent Number:	1485321
Description:	Device For Lapping Gauges
Inventor:	Wilkinson George E
Assignee:	Elgin National Watch Co
Patent Date:	Feb 26, 1924
Registration Type:	Patent

Watch Wrist Band

Patent Number:	1806439
Description:	Watch Wrist Band
Inventor:	Barton Robert B
Assignee:	Elgin Natl Watch Co
Patent Date:	May 19, 1931
Registration Type:	Patent

Watch Or Clock Movement Power Wound

Patent Number:	1865379
Description:	Watch Or Clock Movement Power Wound
Inventor:	Malvern Lewis K
Assignee:	Elgin Natl Watch Co
Patent Date:	Jun 28, 1932
Registration Type:	Patent

Watch Case

Patent Number:	1900343
Description:	Watch Case
Inventor:	Howard Edward
Assignee:	Elgin Natl Watch Co
Patent Date:	Mar 7, 1933
Registration Type:	Patent

Spring Of Nickel-Iron Alloy Elginium

Patent Number:	1974695
Description:	Spring Of Nickel-Iron Alloy Elginium
Inventor:	Straumann Reinhard
Patent Date:	Sep 25, 1934
Registration Type:	Patent

Watch Movement Etc Time Mech

Patent Number:	1991477
Description:	Watch Movement Etc Time Mech
Inventor:	Urie Frank D
Assignee:	Elgin Natl Watch Co
Patent Date:	Feb 19, 1935
Registration Type:	Patent

Timepiece Self Wind

Patent Number:	2030980
Description:	Timepiece Self Wind
Inventor:	Gabriel William Atkinson
Assignee:	Elgin Natl Watch Co
Patent Date:	Feb 18, 1936
Registration Type:	Patent

Spring Of Nickel Iron Alloy Elginium

Patent Number:	2072489
Description:	Spring Of Nickel Iron Alloy Elginium
Inventor:	Straumann Reinhard
Patent Date:	Mar 2, 1937
Registration Type:	Patent

Alloy

Patent Number:	2146231
Description:	Alloy
Inventor:	Russell Howard W
Assignee:	Elgin Natl Watch Co
Patent Date:	Feb 7, 1939
Registration Type:	Patent

Apparatus And Method Test Hair Spring And Like

Patent Number:	2158725
Description:	Apparatus And Method Test Hair Spring And Like
Inventor:	Lawson Robert R Urie Frank D
Assignee:	Elgin Natl Watch Co
Patent Date:	Jun 16, 1939
Registration Type:	Patent

Balance Staff

Patent Number:	2174122
Description:	Balance Staff
Inventor:	Dolby Thomas P Conyne Russell E
Assignee:	Elgin Natl Watch Co
Patent Date:	Sep 26, 1939
Registration Type:	Patent

Motion Control Device

Patent Number:	2354954
Description:	Motion Control Device
Inventor:	Kohlhagen Walter
Assignee:	Elgin Natl Watch Co
Patent Date:	Aug 1, 1944
Registration Type:	Patent

Lubricant

Patent Number:	2355616
Description:	Lubricant
Inventor:	Barker George E
Assignee:	Elgin Natl Watch Co
Patent Date:	Aug 15, 1944
Registration Type:	Patent

Art Of Rating Cyclic Motion

Patent Number:	2358078
Description:	Art Of Rating Cyclic Motion
Inventor:	Kohlhagen Walter
Assignee:	Elgin Natl Watch Co
Patent Date:	Sep 12, 1944
Registration Type:	Patent

Lubricant Contain Alkyl Piperidine Salts

Patent Number:	2412956
Description:	Lubricant Contain Alkyl Piperidine Salts
Inventor:	Barker George E
Assignee:	Elgin Natl Watch Co
Patent Date:	Dec 24, 1946
Registration Type:	Patent

Art Of Make J Bearing

Patent Number:	2426546
Description:	Art Of Make J Bearing
Inventor:	Boswell Thomas L
Assignee:	Elgin Natl Watch Co
Patent Date:	Aug 26, 1947
Registration Type:	Patent

Method Apparatus Produce Sapphire Hollow Art

Patent Number:	2417437
Description:	Method Apparatus Produce Sapphire Hollow Art
Inventor:	Cannon M C
Assignee:	Elgin Natl Watch Co
Patent Date:	May 31, 1949
Registration Type:	Patent

Watch Balance Test Apparatus Magazine Therefor

Patent Number:	2474947
Description:	Watch Balance Test Apparatus Magazine Therefor
Inventor:	Kohlhagen Walter
Assignee:	Elgin Natl Watch Co
Patent Date:	Jul 5, 1949
Registration Type:	Patent

Chronometer Marine Dbl Track Escape Projec

Patent Number:	2501266
Description:	Chronometer Marine Dbl Track Escape Projec
Inventor:	Wochos Wenzel M Jr Ensign George G
Assignee:	Elgin Natl Watch Co
Patent Date:	Mar 21, 1950
Registration Type:	Patent

Watch Main Spring

Patent Number:	2524660
Description:	Watch Main Spring
Inventor:	Harder Oscar E Roberts Dimon A
Assignee:	Elgin Natl Watch Co
Patent Date:	Oct 3, 1950
Registration Type:	Patent

Alloy Having High Elastic

Patent Number:	2524661
Description:	Alloy Having High Elastic
Inventor:	Roberts Dimon A Harder Oscar E
Assignee:	Elgin Natl Watch Co
Patent Date:	Oct 3, 1950
Registration Type:	Patent

Watch Self Wind Impulse Weight Assembly

Patent Number:	2551194
Description:	Watch Self Wind Impulse Weight Assembly
Inventor:	Wilkening Edward H
Assignee:	Elgin Natl Watch Co
Patent Date:	May 1, 1951
Registration Type:	Patent

Triple Ether Lubricant

Patent Number:	2566157
Description:	Triple Ether Lubricant
Inventor:	Barker George E
Assignee:	Elgin Natl Watch Co
Patent Date:	Aug 28, 1951
Registration Type:	Patent

Chronometer Circuit Control

Patent Number:	2579914
Description:	Chronometer Circuit Control
Inventor:	Ensign George G Hoppe Robert C
Assignee:	Elgin Natl Watch Co
Patent Date:	Dec 25, 1951
Registration Type:	Patent

Nonspread Lubricant

Patent Number:	2583200
Description:	Nonspread Lubricant
Inventor:	Barker George E
Assignee:	Elgin Natl Watch Co
Patent Date:	Jan 22, 1952
Registration Type:	Patent

Art Of Electric Energy Produce Cell

Patent Number:	2683184
Description:	Art Of Electric Energy Produce Cell
Inventor:	Boswell Thomas L
Assignee:	Elgin Natl Watch Co
Patent Date:	Jul 6, 1954
Registration Type:	Patent

Mean Time Screw Balance Assembly Etc

Patent Number:	2706380
Description:	Mean Time Screw Balance Assembly Etc
Inventor:	Ensign George G Hoppe Robert C
Assignee:	Elgin Natl Watch Co
Patent Date:	Apr 19, 1955
Registration Type:	Patent

Timepiece Power Take Off Device

Patent Number:	2757545
Description:	Timepiece Power Take Off Device
Inventor:	Ensign George G Soper Glenn T
Assignee:	Elgin Natl Watch Co
Patent Date:	Aug 7, 1956
Registration Type:	Patent

Pawl And Ratchet Mech

Patent Number:	2757555
Description:	Pawl And Ratchet Mech
Inventor:	Ensign George G Soper Glenn T
Assignee:	Elgin Natl Watch Co
Patent Date:	Aug 7, 1956
Registration Type:	Patent

Balance Adjust Moment Inertia

Patent Number:	2770942
Description:	Balance Adjust Moment Inertia
Inventor:	Favret Maxime
Assignee:	Elgin Natl Watch Co
Patent Date:	Nov 20, 1956
Registration Type:	Patent

Voltaic Cell Cathode & Art Of Making Same

Patent Number:	2772321
Description:	Voltaic Cell Cathode & Art Of Making Same
Inventor:	Ensign George G
Assignee:	Elgin Natl Watch Co
Patent Date:	Nov 27, 1956
Registration Type:	Patent

Elecl Energy Prodcng Cels & Methd Mkng Same

Patent Number:	2781414
Description:	Elecl Energy Prodcng Cels & Methd Mkng Same
Inventor:	Ensign George G Boswell Thomas L
Assignee:	Elgin Natl Watch Co
Patent Date:	Feb 12, 1957
Registration Type:	Patent

Timepiece Electric With Power Take Off

Patent Number:	2789411
Description:	Timepiece Electric With Power Take Off
Inventor:	Ensign George G Soper Glenn T
Assignee:	Elgin Natl Watch Co
Patent Date:	Apr 23, 1957
Registration Type:	Patent

Power Take Off Device With Staggered Ratchet

Patent Number:	2800763
Description:	Power Take Off Device With Staggered Ratchet
Inventor:	Ensign George G Soper Glenn T
Assignee:	Elgin Natl Watch Co
Patent Date:	Jul 30, 1957
Registration Type:	Patent

Watch Wrist Electric

Patent Number:	2865163
Description:	Watch Wrist Electric
Inventor:	Ensign George G Soper Glenn T
Assignee:	Elgin Natl Watch Co
Patent Date:	Dec 23, 1958
Registration Type:	Patent

Balance With Adjust Moment Inertia

Patent Number:	2880570
Description:	Balance With Adjust Moment Inertia
Inventor:	Favret Maxime Schafer Earl H
Assignee:	Elgin Natl Watch Co
Patent Date:	Apr 7, 1959
Registration Type:	Patent

Watch Electric

Patent Number:	2883827
Description:	Watch Electric
Inventor:	Ensign George G Soper Glenn T
Assignee:	Elgin Natl Watch Co
Patent Date:	Apr 28, 1959
Registration Type:	Patent

Watch Case Sealed

Patent Number:	3020703
Description:	Watch Case Sealed
Inventor:	Wadsworth Arthur W
Assignee:	Elgin Natl Watch Co
Patent Date:	Feb 13, 1962
Registration Type:	Patent

Osscilate Bal Hair Spring & Expnsion Limit

Patent Number:	3041819
Description:	Osscilate Bal Hair Spring & Expnsion Limit
Inventor:	Ensign George G Soper Glenn T
Assignee:	Elgin Natl Watch Co
Patent Date:	Jul 3, 1962
Registration Type:	Patent

Watch Self Wind Device

Patent Number:	3087300
Description:	Watch Self Wind Device
Inventor:	Favret Maxime
Assignee:	Elgin Natl Watch Co
Patent Date:	Apr 30, 1963
Registration Type:	Patent

Electric Powered Time Devices

Patent Number:	3075345
Description:	Electric Powered Time Devices
Inventor:	Ensign George G Soper Glenn T
Assignee:	Elgin Natl Watch Co
Patent Date:	Jul 29, 1963
Registration Type:	Patent

Electric Actuate Time Intergrate Device

Patent Number:	3224183
Description:	Electric Actuate Time Intergrate Device
Inventor:	Challacombe Carl N Ensign George G
Assignee:	Elgin Natl Watch Co
Patent Date:	Dec 21, 1965
Registration Type:	Patent

Watch Waterproof

Patent Number:	3252280
Description:	Watch Waterproof
Inventor:	Ensign George G
Assignee:	Elgin Natl Watch Co
Patent Date:	May 24, 1966
Registration Type:	Patent