Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5664424 | Refrigerant handling system and method with air purge and multiple refrigerant capabilities | — | 1997-09-09 |
| 5597533 | Apparatus for analyzing refrigerant properties | Sandra Sheehe | 1997-01-28 |