Pocket Watch Database
Patent Archive
#314634
Patent Information
Clock Secondary Electric
William F. Weisgerber
March 31, 1885
Patent #314634
| Patent Number: | 314634 |
| Description: | Clock Secondary Electric |
| Inventor(s): | William F. Weisgerber |
| Patent Date: | Mar 31, 1885 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
