| 6935434 |
Hitch control system with spring centered control lever |
David Joseph Easton, Bruce Newendorp |
2005-08-30 |
| 6240351 |
Tracked vehicle steering system with failure detection |
Yifei Raymond Hou, Sanjay Ishvarlal Mistry, Scott Allen Toppin |
2001-05-29 |
| 6216072 |
Hitch control system with adjustable slip response |
Thomas E. Boe, Richard James Livdahl |
2001-04-10 |
| 6170584 |
Tracked vehicle steering system with steering pump monitoring |
Sanjay Ishvarlal Mistry, Yifei Raymond Hou, Scott Allen Toppin |
2001-01-09 |
| 5012415 |
Control system calibration |
Thomas E. Boe, Carl E. Kittle, Gregory E. Sparks |
1991-04-30 |
| 4979092 |
Hitch control system |
Thomas E. Boe |
1990-12-18 |
| 4931967 |
Control system calibration |
Thomas E. Boe, Carl E. Kittle, Gregory E. Sparks |
1990-06-05 |
| 4878559 |
Brake system for four-wheel drive vehicles |
Seaton Moon |
1989-11-07 |
| 4811811 |
Brake system for four-wheel drive vehicles |
— |
1989-03-14 |