Pocket Watch Database
Patent Archive
#457030
Patent Information
Clock Electric
Walter K. Menns
Walter J. Dudley
August 4, 1891
Patent #457030
| Patent Number: | 457030 |
| Description: | Clock Electric |
| Inventor(s): |
Walter K. Menns Walter J. Dudley |
| Assignee: | Waltham Electric Clock Co |
| Patent Date: | Aug 4, 1891 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
