Pocket Watch Database
Patent Archive
#200732
Patent Information
Watch Balance Gauge For Adjust Hair Spring
James Kinehan
February 26, 1878
Patent #200732
Patent Number: | 200732 |
Description: | Watch Balance Gauge For Adjust Hair Spring |
Inventor(s): | James Kinehan |
Patent Date: | Feb 26, 1878 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |