Pocket Watch Database
Patent Archive
#576180
Patent Information
Watch Chronosphygmometer
Orson H. Woodworth
February 2, 1897
Patent #576180
Patent Number: | 576180 |
Description: | Watch Chronosphygmometer |
Inventor(s): | Orson H. Woodworth |
Patent Date: | Feb 2, 1897 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |