Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5029455 | Oil return system for oil separator | L. Thomas Lane | 1991-07-09 |
| 5010740 | Refrigeration system with mass flow limiting device | Robert A. Chopko, Alan S. Drucker, Chester D. Ripka | 1991-04-30 |
| 4922728 | Heater plate assembly | — | 1990-05-08 |