Pocket Watch Database
Patent Archive
#177510
Patent Information
Watch Key
Francis Hoelle
May 16, 1876
Patent #177510
| Patent Number: | 177510 |
| Description: | Watch Key |
| Inventor(s): | Francis Hoelle |
| Assignee: | Hoelle Francis |
| Patent Date: | May 16, 1876 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
