Pocket Watch Database
Patent Archive
#451982
Patent Information
Tool Watch Case Opener
Dean Southworth
May 12, 1891
Patent #451982
Patent Number: | 451982 |
Description: | Tool Watch Case Opener |
Inventor(s): | Dean Southworth |
Patent Date: | May 12, 1891 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |