Pocket Watch Database
Patent Archive
#2320609
Patent Information
Clock Secure Device
Helmut Junghans
June 1, 1943
Patent #2320609
| Patent Number: | 2320609 |
| Description: | Clock Secure Device |
| Inventor(s): | Helmut Junghans |
| Patent Date: | Jun 1, 1943 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
