Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4559841 | Gear train having an internal gear mechanism | — | 1985-12-24 |
| 4535651 | Torque proportioning differential | — | 1985-08-20 |
| 4425825 | Geared input mechanism for a torque converter | Marion E. Ogden | 1984-01-17 |
| 4267749 | Compact reversible variable speed transmission and differential | Robert N. Stedman | 1981-05-19 |