Pocket Watch Database
Patent Archive
#177677
Patent Information
Watch Key Adjust
John S. Birch
May 23, 1876
Patent #177677
| Patent Number: | 177677 |
| Description: | Watch Key Adjust |
| Inventor(s): | John S. Birch |
| Patent Date: | May 23, 1876 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
