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: |