Pocket Watch Database
Patent Archive
#808631
Patent Information
Chronometer Escape
Augustus Brown
January 2, 1906
Patent #808631
Patent Number: | 808631 |
Description: | Chronometer Escape |
Inventor(s): | Augustus Brown |
Patent Date: | Jan 2, 1906 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |