Pocket Watch Database
Patent Archive
#517480
Patent Information
Clock Synch Electric
Henry S. Prentiss
April 3, 1894
Patent #517480
| Patent Number: | 517480 |
| Description: | Clock Synch Electric |
| Inventor(s): | Henry S. Prentiss |
| Assignee: | Prentiss Clock Improvement Co |
| Patent Date: | Apr 3, 1894 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
