Pocket Watch Database
Patent Archive
#360641
Patent Information
Watch For The Blind
Samuel F. Adam
April 5, 1887
Patent #360641
Patent Number: | 360641 |
Description: | Watch For The Blind |
Inventor(s): | Samuel F. Adam |
Patent Date: | Apr 5, 1887 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |