Pocket Watch Database
Patent Archive
#2377625
Patent Information
Watch Crown Waterproof
Charles B. Greenberg
June 5, 1945
Patent #2377625
| Patent Number: | 2377625 |
| Description: | Watch Crown Waterproof |
| Inventor(s): | Charles B. Greenberg |
| Patent Date: | Jun 5, 1945 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
