Pocket Watch Database
Patent Archive
#337797
Patent Information
Clock Self Wind Electric
D. Fred Sweet
March 9, 1886
Patent #337797
Patent Number: | 337797 |
Description: | Clock Self Wind Electric |
Inventor(s): | D. Fred Sweet |
Assignee: | Electric Time Co |
Patent Date: | Mar 9, 1886 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |