Pocket Watch Database
Patent Archive
#496162
Patent Information
Watch Cannon Pinion
William B. Learned
April 25, 1893
Patent #496162
Manufacturer: | E. Howard Watch & Clock Co. |
Patent Number: | 496162 |
Description: | Watch Cannon Pinion |
Inventor(s): | William B. Learned |
Assignee: | E Howard Watch & Clock Co |
Patent Date: | Apr 25, 1893 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |