Pocket Watch Database
Patent Archive
#403943
Patent Information
Watch Safety
Charles G. Krebaum
May 28, 1889
Patent #403943
| Patent Number: | 403943 |
| Description: | Watch Safety |
| Inventor(s): | Charles G. Krebaum |
| Patent Date: | May 28, 1889 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
