Pocket Watch Database
Patent Archive
#3871170
Patent Information
Watch Wrist Led
John M. Bergey
March 18, 1875
Patent #3871170
Patent Number: | 3871170 |
Description: | Watch Wrist Led |
Inventor(s): | John M. Bergey |
Patent Date: | Mar 18, 1875 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |