Pocket Watch Database
Patent Archive
#150766
Patent Information
Watch Escape
George N. Knupp
May 12, 1874
Patent #150766
Patent Number: | 150766 |
Description: | Watch Escape |
Inventor(s): | George N. Knupp |
Assignee: | Knupp George N |
Patent Date: | May 12, 1874 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |