Pocket Watch Database
Patent Archive
#2173373
Patent Information
Clock Program
Albert J. Roger
September 19, 1939
Patent #2173373
| Patent Number: | 2173373 |
| Description: | Clock Program |
| Inventor(s): | Albert J. Roger |
| Patent Date: | Sep 19, 1939 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
