Pocket Watch Database
Patent Archive
#2157540
Patent Information
Cyclometer
Nathan George Horwitt
May 9, 1939
Patent #2157540
| Patent Number: | 2157540 |
| Description: | Cyclometer |
| Inventor(s): | Nathan George Horwitt |
| Patent Date: | May 9, 1939 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
