Pocket Watch Database
Patent Archive
#2557525
Patent Information
Watch Crown Dust Inhibiting
Joseph Waldman
June 19, 1951
Patent #2557525
| Patent Number: | 2557525 |
| Description: | Watch Crown Dust Inhibiting |
| Inventor(s): | Joseph Waldman |
| Assignee: | Joseph Waldman & Sons |
| Patent Date: | Jun 19, 1951 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
