Pocket Watch Database
Patent Archive
#2489552
Patent Information
Watch Shockproof Bearing Retainer
Jean Widmer-steiner
November 29, 1949
Patent #2489552
| Patent Number: | 2489552 |
| Description: | Watch Shockproof Bearing Retainer |
| Inventor(s): | Jean Widmer-steiner |
| Patent Date: | Nov 29, 1949 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
