Pocket Watch Database
Patent Archive
#2003785
Patent Information
Clock Modulated Alarm
Dudley S. Ingraham
June 4, 1935
Patent #2003785
| Patent Number: | 2003785 |
| Description: | Clock Modulated Alarm |
| Inventor(s): | Dudley S. Ingraham |
| Assignee: | E Ingraham Co |
| Patent Date: | Jun 4, 1935 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
