Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4926172 | Joystick controller | — | 1990-05-15 |
| 4779305 | Positive-positioning knob assembly | — | 1988-10-25 |
| 4763692 | Rotary valve structure | Wesley J. Bachman | 1988-08-16 |
| 4401909 | Grain sensor using a piezoelectric element | — | 1983-08-30 |