Pocket Watch Database
Patent Archive
#2270420
Patent Information
Diamond Holder
J. Dinhofer
January 20, 1942
Patent #2270420
| Patent Number: | 2270420 |
| Description: | Diamond Holder |
| Inventor(s): | J. Dinhofer |
| Patent Date: | Jan 20, 1942 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
