Pocket Watch Database
Patent Archive
#2233921
Patent Information
Clock Anchor Escape Etc
Helmut Junghans
March 4, 1941
Patent #2233921
| Patent Number: | 2233921 |
| Description: | Clock Anchor Escape Etc |
| Inventor(s): | Helmut Junghans |
| Patent Date: | Mar 4, 1941 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
