Pocket Watch Database
Patent Archive
#877881
Patent Information
Clock Escape
George W. Bennum
January 28, 1908
Patent #877881
Patent Number: | 877881 |
Description: | Clock Escape |
Inventor(s): | George W. Bennum |
Patent Date: | Jan 28, 1908 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |