Pocket Watch Database
Patent Archive
#916953
Patent Information
Watch For Count The Pulse By Sound Or Touch
Henry A. Lugrin
March 30, 1909
Patent #916953
Patent Number: | 916953 |
Description: | Watch For Count The Pulse By Sound Or Touch |
Inventor(s): | Henry A. Lugrin |
Patent Date: | Mar 30, 1909 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |