Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6966651 | Portable multimedia projection system | — | 2005-11-22 |
| 6949303 | Electromechanical conversion system | Zhenhua Mao | 2005-09-27 |
| 6899967 | Electrochemical conversion system | — | 2005-05-31 |