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, Mary Zi-ping Luo | 2002-10-01 |
| 6418982 | Process of bulk filling | Jack Yongfeng Zhang, Mary Ziping Luo | 2002-07-16 |
| 6343717 | Pre-filled disposable pipettes | Jack Yongfeng Zhang, Mary Ziping Luo | 2002-02-05 |