Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6442963 | Non-condensable purge technique using refrigerant temperature offset | Dean P. Pfefferle, Larry G. Moller | 2002-09-03 |
| 6427457 | Refrigerant recycling system with automatic detection of optional vacuum pump | Dean P. Pfefferle, Craig F. Govekar, Larry G. Moller | 2002-08-06 |