Pocket Watch Database
Patent Archive
#172638
Patent Information
Clock Escape
John Leidgen
January 25, 1876
Patent #172638
| Patent Number: | 172638 |
| Description: | Clock Escape |
| Inventor(s): | John Leidgen |
| Assignee: | Blake James |
| Patent Date: | Jan 25, 1876 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
