Pocket Watch Database
Patent Archive
#2539138
Patent Information
Cyclometer
Arthur A. Johnson
January 23, 1951
Patent #2539138
| Patent Number: | 2539138 |
| Description: | Cyclometer |
| Inventor(s): | Arthur A. Johnson |
| Assignee: | Casco Products Corp |
| Patent Date: | Jan 23, 1951 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
