Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640578 | Refrigerator condenser and fan assembly | Zhijing Wang, Alexander Pinkus Rafalovich, Neil McDonald | 2003-11-04 |
| 5720186 | Heat exchanger | Paul K. Brown | 1998-02-24 |
| 5348709 | Apparatus for generating ozone | — | 1994-09-20 |