Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5238219 | Thermostatic expansion valve | Michael A. Noelke | 1993-08-24 |
| 5148684 | Injection valve for a refrigeration system | Joseph H. Heffner | 1992-09-22 |
| 4442680 | Pilot-operated pressure regulator valve | William J. Barbier | 1984-04-17 |