Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6029761 | Supplemental steering control for a differential steer machine | Robert D. Toms | 2000-02-29 |
| 5873424 | Apparatus for protecting a track assembly of a tractor | Robert D. Toms | 1999-02-23 |
| 5711161 | Bypass refrigerant temperature control system and method | — | 1998-01-27 |
| 5572879 | Methods of operating a refrigeration unit in predetermined high and low ambient temperatures | Robert L. Harrington | 1996-11-12 |
| D375506 | Work machine having endless ground engaging drive belts | Robert C. Bastian, William C. Boroski, Melvin P. Busch, Jr., Elmer R. Crabb, Patrick W. Friede +9 more | 1996-11-12 |
| D364879 | Work machine having endless ground engaging drive belts | Robert C. Bastian, William C. Boroski, Melvin P. Busch, Jr., Elmer R. Crabb, Patrick W. Friede +9 more | 1995-12-05 |
| 5368375 | Belt tension indicating system | — | 1994-11-29 |
| 5172560 | Method of operating a transport refrigeration system | Romuald M. Jurewicz, Jay L. Hanson, Jeffrey B. Berge, Jayaram Seshadri, David A. Christiansen +3 more | 1992-12-22 |
| 5123263 | Refrigeration system | — | 1992-06-23 |
| 4918932 | Method of controlling the capacity of a transport refrigeration system | Lowell B. Naley, David A. Christiansen, Stanley O. Hoium, Robert L. Harrington, Dannis R. Johnson +1 more | 1990-04-24 |
| 4802342 | Protective grille and air flow straightener for transport refrigeration apparatus | Richard F. Unger | 1989-02-07 |