Issued Patents All Time
Showing 51–62 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876722 | Active noise control | Nicolaas M. J. Dekker, Adrian W. James | 1989-10-24 |
| 4861120 | Modular endless track drive system and methods of making, installing and repairing same | Daniel R. Harper, Quinton B. McNew | 1989-08-29 |
| 4844560 | Endless drive track joint assembly | Daniel R. Harper, Quinton B. McNew | 1989-07-04 |
| 4616883 | Endless drive system | Daniel R. Harper, Quinton B. McNew | 1986-10-14 |
| 4602686 | Mobile machine for uprooting vegetation from the ground | — | 1986-07-29 |
| 4569561 | Endless drive system | Daniel R. Harper, Quinton B. McNew | 1986-02-11 |
| 4452316 | Power hoe with reciprocating blades in sliding engagement with each other | — | 1984-06-05 |
| 4298833 | Apparatus for damping operator induced oscillations of a controlled system | John W. Smith | 1981-11-03 |
| 4242109 | Air cleaner and humidifier | — | 1980-12-30 |
| 4208860 | Crop harvesting apparatus | — | 1980-06-24 |
| 4202158 | Crop harvesting apparatus | — | 1980-05-13 |
| D253948 | Radio | — | 1980-01-15 |