Pocket Watch Database
Patent Archive
#754622
Patent Information
Clock Electric
David W. Thompson
March 15, 1904
Patent #754622
| Patent Number: | 754622 |
| Description: | Clock Electric |
| Inventor(s): | David W. Thompson |
| Patent Date: | Mar 15, 1904 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
