Pocket Watch Database
Patent Archive
#2170079
Patent Information
Clock Alarm
Helmut Junghans
August 22, 1939
Patent #2170079
| Patent Number: | 2170079 |
| Description: | Clock Alarm |
| Inventor(s): | Helmut Junghans |
| Patent Date: | Aug 22, 1939 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
