Pocket Watch Database
Patent Archive
#1609187
Patent Information
Watch Safety
Carl E. Petersen
November 30, 1926
Patent #1609187
| Patent Number: | 1609187 |
| Description: | Watch Safety |
| Inventor(s): | Carl E. Petersen |
| Patent Date: | Nov 30, 1926 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
