Pocket Watch Database
Patent Archive
#146513
Patent Information
Clock Key
George D. Clark
January 20, 1874
Patent #146513
Patent Number: | 146513 |
Description: | Clock Key |
Inventor(s): | George D. Clark |
Patent Date: | Jan 20, 1874 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |