Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6457612 | Sealable and manipulable pre-filled disposable pipette | Jack Yongfeng Zhang, Frank Zhishi Xia | 2002-10-01 |
| 6425403 | Hair dyeing process utilizing a heat application device | Richard Chun Lin Lu, Charles Can Lin Wu, Jack Zhang | 2002-07-30 |
| 6399087 | Propofol formulation with enhanced microbial inhibition | Jack Yongfeng Zhang, Jie Fei Ding | 2002-06-04 |