Pocket Watch Database
Patent Archive
#2912819
Patent Information
Watch Waterproof Crown
Jack J. Waldman
November 17, 1959
Patent #2912819
| Patent Number: | 2912819 |
| Description: | Watch Waterproof Crown |
| Inventor(s): | Jack J. Waldman |
| Assignee: | Joseph Waldman & Sons |
| Patent Date: | Nov 17, 1959 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
