Pocket Watch Database
Patent Archive
#1157782
Patent Information
Clock Switch For Self Wind
Ernest A. Hummel
October 26, 1915
Patent #1157782
| Patent Number: | 1157782 |
| Description: | Clock Switch For Self Wind |
| Inventor(s): | Ernest A. Hummel |
| Assignee: | Haman Albert L |
| Patent Date: | Oct 26, 1915 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
