Pocket Watch Database
Patent Archive
#508406
Patent Information
Cyclometer
Charles H. Clawson
November 14, 1893
Patent #508406
Patent Number: | 508406 |
Description: | Cyclometer |
Inventor(s): | Charles H. Clawson |
Patent Date: | Nov 14, 1893 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |