Pocket Watch Database
Patent Archive
#2736164
Patent Information
Timepiece Fluidtight Wind
Ervin Piquerez
February 28, 1956
Patent #2736164
| Patent Number: | 2736164 |
| Description: | Timepiece Fluidtight Wind |
| Inventor(s): | Ervin Piquerez |
| Patent Date: | Feb 28, 1956 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
