Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6107239 | Heat resistant metallic oxide catalyst for reducing pollution emission | Jianwu QIN | 2000-08-22 |
| 5779769 | Integrated multi-function lamp for providing light and purification of indoor air | — | 1998-07-14 |