Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4539956 | Diesel fuel injection pump with adaptive torque balance control | James F. Hengel, Donald John Armstrong, Frank Ament, Marc B. Center | 1985-09-10 |
| 4509478 | Engine fuel control system | Frank Ament, Richard A. Peden | 1985-04-09 |