Pocket Watch Database
Patent Archive
#1797912
Patent Information
Clock Alternate Current
Laurens Hammond
March 24, 1931
Patent #1797912
| Patent Number: | 1797912 |
| Description: | Clock Alternate Current |
| Inventor(s): | Laurens Hammond |
| Assignee: | Hammond Clock Co |
| Patent Date: | Mar 24, 1931 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
