Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4538525 | Four-wheel passenger car truck | Keith L. Jackson | 1985-09-03 |
| 4258629 | Braking and steering radial truck | Keith L. Jackson, Kenneth E. Spencer | 1981-03-31 |
| 4237791 | Radial axle railway truck disc brakes | Keith L. Jackson | 1980-12-09 |