Pocket Watch Database
Patent Archive
#2831315
Patent Information
Fluidtight Watch Auto Wind Up Systm & Key Set
Ervin Piquerez
April 22, 1958
Patent #2831315
| Patent Number: | 2831315 |
| Description: | Fluidtight Watch Auto Wind Up Systm & Key Set |
| Inventor(s): | Ervin Piquerez |
| Patent Date: | Apr 22, 1958 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
