Pocket Watch Database
Patent Archive
#508941
Patent Information
Cyclometer
John S. Hilliard
November 21, 1893
Patent #508941
Patent Number: | 508941 |
Description: | Cyclometer |
Inventor(s): | John S. Hilliard |
Assignee: | Hilliard Cyclometer Co |
Patent Date: | Nov 21, 1893 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |