Pocket Watch Database
Patent Archive
#1322500
Patent Information
Watch Silent Alarm
Charles H. Gill
November 18, 1919
Patent #1322500
| Patent Number: | 1322500 |
| Description: | Watch Silent Alarm |
| Inventor(s): | Charles H. Gill |
| Assignee: | Walton H |
| Patent Date: | Nov 18, 1919 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
