Pocket Watch Database
Patent Archive
#200533
Patent Information
Watch & Clock Escape
James M. Hitchcock
February 19, 1878
Patent #200533
| Patent Number: | 200533 |
| Description: | Watch & Clock Escape |
| Inventor(s): | James M. Hitchcock |
| Patent Date: | Feb 19, 1878 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
