Pocket Watch Database
Patent Archive
#1011951
Patent Information
Watch Safety
Alfred K. Hampel
December 19, 1911
Patent #1011951
| Patent Number: | 1011951 |
| Description: | Watch Safety |
| Inventor(s): | Alfred K. Hampel |
| Patent Date: | Dec 19, 1911 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
