Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4754847 | Interaxle differential for tandem axle assembly | Terry Lee Oster | 1988-07-05 |
| 4733578 | Bevel gear differential with conical spherical gear seats | Terry Lee Oster | 1988-03-29 |
| 4733744 | Steerable driving axle | — | 1988-03-29 |
| 4270409 | Torque transfer mechanism | Robert B. Overbeek | 1981-06-02 |