Pocket Watch Database
Patent Archive
#542863
Patent Information
Clock Escape Crutch
Wilson E. Porter
July 16, 1895
Patent #542863
| Patent Number: | 542863 |
| Description: | Clock Escape Crutch |
| Inventor(s): | Wilson E. Porter |
| Assignee: | Nrw Haven Clock Co |
| Patent Date: | Jul 16, 1895 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
