Pocket Watch Database
Patent Archive
#2091205
Patent Information
Clock Electric Circuit Alarm Control Device
Philip N. Johnson
August 24, 1937
Patent #2091205
| Patent Number: | 2091205 |
| Description: | Clock Electric Circuit Alarm Control Device |
| Inventor(s): | Philip N. Johnson |
| Patent Date: | Aug 24, 1937 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
