Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6321550 | Start up control for a transport refrigeration unit with synchronous generator power system | Robert A. Chopko, James C. Wilson | 2001-11-27 |
| 6223546 | Electrically powered transport refrigeration unit | Robert A. Chopko | 2001-05-01 |
| 5935281 | Filter apparatus | Jordan I. Rotheiser, Yehia M. Amr | 1999-08-10 |
| 5174964 | Gas testing apparatus | Harry F. Klodowski, Phil Hider | 1992-12-29 |