Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5963198 | Low-cost user interface for refrigerant recycling machine | — | 1999-10-05 |
| 5412955 | Non-condensable purge control for refrigerant recycling system | J. Steven Martin | 1995-05-09 |
| 5369959 | Non-condensable purge control for refrigerant recycling system | Dean P. Pfefferle, J. Steven Martin | 1994-12-06 |