Pocket Watch Database
Patent Archive
#358402
Patent Information
Watch & Clock Pinion Mfg
William B. Learned
February 22, 1887
Patent #358402
| Manufacturer: | E. Howard Watch & Clock Co. |
| Patent Number: | 358402 |
| Description: | Watch & Clock Pinion Mfg |
| Inventor(s): | William B. Learned |
| Assignee: | E Howard Watch & Clock Co |
| Patent Date: | Feb 22, 1887 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
