Pocket Watch Database
Patent Archive
#991048
Patent Information
Escape Wheel
George W. Crank
May 2, 1911
Patent #991048
| Patent Number: | 991048 |
| Description: | Escape Wheel |
| Inventor(s): | George W. Crank |
| Patent Date: | May 2, 1911 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
