Pocket Watch Database
Patent Archive
#919647
Patent Information
Clock Secondary Electric
Frederick M. Schmidt
April 27, 1909
Patent #919647
| Patent Number: | 919647 |
| Description: | Clock Secondary Electric |
| Inventor(s): | Frederick M. Schmidt |
| Assignee: | Self-wind Clock Co |
| Patent Date: | Apr 27, 1909 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
