Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4580806 | Pneumatic suspension system | Jerome L. Kolstad | 1986-04-08 |
| 4279430 | Fifth-wheel suspension system | Francis E. Tourville | 1981-07-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4580806 | Pneumatic suspension system | Jerome L. Kolstad | 1986-04-08 |
| 4279430 | Fifth-wheel suspension system | Francis E. Tourville | 1981-07-21 |