Pocket Watch Database
Patent Archive
#81789
Patent Information
Clock Escape
William C. Kellum
September 1, 1868
Patent #81789
| Patent Number: | 81789 |
| Description: | Clock Escape |
| Inventor(s): | William C. Kellum |
| Patent Date: | Sep 1, 1868 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
