Pocket Watch Database
Patent Archive
#2133908
Patent Information
Clock Illuminate Alarm
Harry S. Swanson
October 18, 1938
Patent #2133908
| Patent Number: | 2133908 |
| Description: | Clock Illuminate Alarm |
| Inventor(s): | Harry S. Swanson |
| Patent Date: | Oct 18, 1938 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
