Pocket Watch Patents

The following gallery contains patents that were issued or assigned to Fortenbach Bros. or individuals known to be associated with the company at the time. Not all designs were fully implemented into production.

Machine Watch Case Cutter

Patent Number:	75892
Description:	Machine Watch Case Cutter
Inventor:	Fortenbach Jacob Fortenbach John
Patent Date:	Mar 24, 1868
Registration Type:	Patent

Watch Case Die

Patent Number:	185172
Description:	Watch Case Die
Inventor:	Fortenbach Joseph
Patent Date:	Dec 12, 1876
Registration Type:	Patent

Watch Case Die

Patent Number:	185173
Description:	Watch Case Die
Inventor:	Fortenbach Joseph
Patent Date:	Dec 12, 1876
Registration Type:	Patent

Watch Case Center Die

Patent Number:	185174
Description:	Watch Case Center Die
Inventor:	Fortenbach Joseph
Patent Date:	Dec 12, 1876
Registration Type:	Patent

Watch Case Attach To Stem Wind

Patent Number:	211144
Description:	Watch Case Attach To Stem Wind
Inventor:	Fortenbach Joseph
Patent Date:	Jan 7, 1879
Registration Type:	Patent