Pocket Watch Database
Patent Archive
#3163978
Patent Information
Clock Cordless Commercial Power Frequency Synch
Walter Kohlhagen
January 5, 1965
Patent #3163978
| Patent Number: | 3163978 |
| Description: | Clock Cordless Commercial Power Frequency Synch |
| Inventor(s): | Walter Kohlhagen |
| Patent Date: | Jan 5, 1965 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
