Pocket Watch Database

Patent Archive
#295485

Patent Information

Watch Main Spring

Duane H. Church

March 18, 1884

Patent #295485
Manufacturer:Waltham
Patent Number:295485
Description:Watch Main Spring
Inventor(s): Duane H. Church
Assignee:American Watch Co
Patent Date:Mar 18, 1884
Registration Type:Patent
External Research:https://www.google.c…
Patent Document:  PDF