Pocket Watch Database
Patent Archive
#619771
Patent Information
Clock Secondary Electric
James O. Lyman
February 21, 1899
Patent #619771
| Patent Number: | 619771 |
| Description: | Clock Secondary Electric |
| Inventor(s): | James O. Lyman |
| Patent Date: | Feb 21, 1899 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
