Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5006100 | Two-speed planetary gear mechanism | Christopher D. Brandt, David Kettler, William W. Blake | 1991-04-09 |
| 4823639 | Countershaft transmission | Michael W. Krause | 1989-04-25 |
| 4676116 | Countershaft transmission | Karl A. Nerstad | 1987-06-30 |
| 4660425 | Countershaft transmission auxiliary drive mechanism | Karl A. Nerstad | 1987-04-28 |
| 4658673 | Planetary transmission | Karl A. Nerstad | 1987-04-21 |
| 4614133 | Vehicle transmission having countershaft and planetary portions | Karl A. Nerstad | 1986-09-30 |
| 4577524 | Vehicle transfer gear and drive line brake mechanism | David L. Richards | 1986-03-25 |
| 4560034 | Annular multi-piston brake apparatus | Marvin Schneider | 1985-12-24 |
| 4542801 | Vehicle transfer gear mechanism | David L. Richards | 1985-09-24 |
| 4531428 | Planetary transmission | — | 1985-07-30 |
| 4446758 | Planetary transmission | James E. Winzeler | 1984-05-08 |
| 4420992 | Planetary transmission | — | 1983-12-20 |
| 4368652 | Friction assemblies for use in planetary transmissions | — | 1983-01-18 |
| 4318283 | Torsional vibration damper assembly | — | 1982-03-09 |