Pocket Watch Database

Patent Archive
#3315461

Patent Information

Watch Main Spring Indicator

Ralph G. Eshleman
John O. James

April 25, 1967

Patent #3315461
Manufacturer:Hamilton
Patent Number:3315461
Description:Watch Main Spring Indicator
Inventor(s): Ralph G. Eshleman
John O. James
Assignee:Hamilton Watch Co
Patent Date:Apr 25, 1967
Registration Type:Patent
External Research:https://www.google.c…
Patent Document:  PDF