Pocket Watch Database
Patent Archive
#249699
Patent Information
Clock Electric
Charles E. Trask
November 15, 1881
Patent #249699
| Patent Number: | 249699 |
| Description: | Clock Electric |
| Inventor(s): | Charles E. Trask |
| Patent Date: | Nov 15, 1881 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
