Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4910662 | Boom control system | Richard K. Heiser, Thomas R. Fulkerson, James R. Reed | 1990-03-20 |
| 4791549 | Boom control system | Richard K. Heiser, Thomas R. Fulkerson | 1988-12-13 |
| 4722044 | Boom control system | Richard K. Heiser, Thomas R. Fulkerson | 1988-01-26 |
| 4475073 | Proportional plus integral servo-reversible speed control | — | 1984-10-02 |
| 4448021 | Anti-stall control | — | 1984-05-15 |
| 4444286 | Torque-control with overspeed regulation and method of controlling a hydrostatic drive | Leland E. Kuntz | 1984-04-24 |
| 4355509 | Split torque transmission control | Thomas R. Fulkerson | 1982-10-26 |
| 4344328 | Frequency detector | — | 1982-08-17 |
| 4303873 | Reset windup limiting | — | 1981-12-01 |
| 4229649 | Photo electrically programmed steering control | Leland E. Kuntz | 1980-10-21 |
| 4213503 | Slope control system | Dwayne R. Elmberg | 1980-07-22 |