Pocket Watch Database
Patent Archive
#3052083
Patent Information
Watch Case Waterproof With Moisture Indicator
Ervin Piquerez
September 4, 1962
Patent #3052083
| Patent Number: | 3052083 |
| Description: | Watch Case Waterproof With Moisture Indicator |
| Inventor(s): | Ervin Piquerez |
| Patent Date: | Sep 4, 1962 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
