Pocket Watch Database
Patent Archive
#868941
Patent Information
Watch Safety
Charles E. Redfern
October 22, 1907
Patent #868941
Patent Number: | 868941 |
Description: | Watch Safety |
Inventor(s): | Charles E. Redfern |
Patent Date: | Oct 22, 1907 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |