Pocket Watch Database
Patent Archive
#2587986
Patent Information
Unidirectional Gear Train
Ivar K. Fog
March 4, 1952
Patent #2587986
| Patent Number: | 2587986 |
| Description: | Unidirectional Gear Train |
| Inventor(s): | Ivar K. Fog |
| Assignee: | Sangamo Electric Co |
| Patent Date: | Mar 4, 1952 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
