Pocket Watch Database
Patent Archive
#401180
Patent Information
Machine Pinion Facing
William B. Learned
Leonidas Murray
April 9, 1889
Patent #401180
| Patent Number: | 401180 |
| Description: | Machine Pinion Facing |
| Inventor(s): |
William B. Learned Leonidas Murray |
| Assignee: | E Howard Watch & Clock Co |
| Patent Date: | Apr 9, 1889 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
