Pocket Watch Database
Patent Archive
#1336318
Patent Information
Clock Program Or Call
Herman C. Prey
April 6, 1920
Patent #1336318
| Patent Number: | 1336318 |
| Description: | Clock Program Or Call |
| Inventor(s): | Herman C. Prey |
| Patent Date: | Apr 6, 1920 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
