Pocket Watch Database
Patent Archive
#2190158
Patent Information
Clock Case Of Stoneware Or Lke Brittle Material
Helmut Junghans
February 13, 1940
Patent #2190158
| Patent Number: | 2190158 |
| Description: | Clock Case Of Stoneware Or Lke Brittle Material |
| Inventor(s): | Helmut Junghans |
| Patent Date: | Feb 13, 1940 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
