Pocket Watch Database
Patent Archive
#973045
Patent Information
Tool Main Spring Wind
Thomas W. Hobb
William A. Gwinn
October 18, 1910
Patent #973045
Patent Number: | 973045 |
Description: | Tool Main Spring Wind |
Inventor(s): |
Thomas W. Hobb William A. Gwinn |
Patent Date: | Oct 18, 1910 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |