Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817195 | Reduced energy refrigerator defrost method and apparatus | Alexander Pinkus Rafalovich, Ziqiang Hu, Richard DeVos | 2004-11-16 |
| 6779353 | Sealed system multiple speed compressor and fan control | Ziqiang Hu, Richard Dana Brooke, Alexander Pinkus Rafalovich | 2004-08-24 |