Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881609 | Suspension mechanism for a track-type vehicle | Robert R. Farris | 1989-11-21 |
| 4874052 | Suspension system for a vehicle | Robert R. Farris | 1989-10-17 |
| 4854650 | Track recoil and tensioning mechanism | Marvin G. Getz, Brian D. McFeeters | 1989-08-08 |
| 4819754 | Multiple mode vehicle suspension system | Robert R. Farris | 1989-04-11 |
| 4819999 | End face seal assembly | Richard E. Livesay, Blair A. Maust | 1989-04-11 |
| 4817746 | Suspension mechanism for a track-type vehicle | Gerald P. Simmons, Robert R. Farris | 1989-04-04 |