Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5692810 | Heavy duty traction intensifyer including flexible frame means with flex-limiting means for agricultural wheeled tractors, harvesting combines and the like | — | 1997-12-02 |
| 5242214 | Traction enhancing device including flexible frame means for agricultural wheeled tractors and the like | — | 1993-09-07 |
| 4694872 | High performance drive tire arrangement for agricultural tractors | — | 1987-09-22 |
| 4603916 | Lightweight retractable track-wheel for agricultural tractors and the like | — | 1986-08-05 |
| 4508150 | Retractable traction intensifying means for agricultural tractors and the like | — | 1985-04-02 |
| 4402357 | Lightweight traction intensifying means for agricultural wheeled tractors and the like | — | 1983-09-06 |
| 4326668 | Low cost vehicle traction device employing pivotally mounted anchoring means | — | 1982-04-27 |
| 4224972 | Combination winch and traction intensifier for rubber tired vehicles | — | 1980-09-30 |
| 4225082 | Low cost vehicle traction device employing pivotally mounted anchoring means | — | 1980-09-30 |