Pocket Watch Database
Patent Archive
#970221
Patent Information
Clock Or Watch Main Spring Stop Work
Elwood Hawkins
September 13, 1910
Patent #970221
Patent Number: | 970221 |
Description: | Clock Or Watch Main Spring Stop Work |
Inventor(s): | Elwood Hawkins |
Patent Date: | Sep 13, 1910 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |