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Patent Archive
#490203

Patent Information

Watch Balance & Hair Spring Test

Hunter George E

January 17, 1893

Patent #490203
Manufacturer:Elgin
Patent Number:490203
Category:
Description:Watch Balance & Hair Spring Test
Inventor(s):Hunter George E
Assignee:Elgin Natl Watch Co
Patent Date:Jan 17, 1893
Registration Type:Patent
External Research:https://www.google.com/patents...
Patent Document:PDF
Watch Balance & Hair Spring Test