Pocket Watch Database
Patent Archive
#2806343
Patent Information
Timepiece Fluidtight
Ervin Piquerez
September 17, 1957
Patent #2806343
| Patent Number: | 2806343 |
| Description: | Timepiece Fluidtight |
| Inventor(s): | Ervin Piquerez |
| Patent Date: | Sep 17, 1957 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
