Pocket Watch Database
Patent Archive
#157088
Patent Information
Clock Spring Barrel
Gilbert H. Blakesley
November 24, 1874
Patent #157088
Patent Number: | 157088 |
Description: | Clock Spring Barrel |
Inventor(s): | Gilbert H. Blakesley |
Patent Date: | Nov 24, 1874 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |