Pocket Watch Database
Patent Archive
#311563
Patent Information
Watch Case Spring
Theophilous L. Bear
February 3, 1885
Patent #311563
Patent Number: | 311563 |
Description: | Watch Case Spring |
Inventor(s): | Theophilous L. Bear |
Patent Date: | Feb 3, 1885 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |