Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4899550 | Refrigeration unit and hydraulic power system | Robert A. Chopko | 1990-02-13 |
| 4688391 | Refrigeration unit and hydraulic power system | Robert A. Chopko | 1987-08-25 |
| 4348871 | Transport refrigeration machine | — | 1982-09-14 |