Pocket Watch Database
Patent Archive
#878346
Patent Information
Tool Hair Spring Gauge
Elijah Clark
February 4, 1908
Patent #878346
Patent Number: | 878346 |
Description: | Tool Hair Spring Gauge |
Inventor(s): | Elijah Clark |
Assignee: | Nordman Joseph |
Patent Date: | Feb 4, 1908 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |