Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5150584 | Method and apparatus for detecting low refrigerant charge | Annette Schmidt | 1992-09-29 |
| 4756166 | Integral receiver/dehydrator and expansion valve for air conditioning systems | — | 1988-07-12 |