Pocket Watch Database
Patent Archive
#2138345
Patent Information
Clock Pendulum Lock Device
Helmut Junghans
November 29, 1938
Patent #2138345
| Patent Number: | 2138345 |
| Description: | Clock Pendulum Lock Device |
| Inventor(s): | Helmut Junghans |
| Patent Date: | Nov 29, 1938 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
