Pocket Watch Database
Patent Archive
#40508
Patent Information
Clock Escape
James Stephenson
November 3, 1863
Patent #40508
| Patent Number: | 40508 |
| Description: | Clock Escape |
| Inventor(s): | James Stephenson |
| Patent Date: | Nov 3, 1863 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
