Pocket Watch Database
Patent Archive
#1790706
Patent Information
Spring Bar
Herbert M. Hill
February 3, 1931
Patent #1790706
Manufacturer: | Illinois Watch Case Co |
Patent Number: | 1790706 |
Description: | Spring Bar |
Inventor(s): | Herbert M. Hill |
Assignee: | Illinois Watch Case Co |
Patent Date: | Feb 3, 1931 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |