Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6418982 | Process of bulk filling | Jack Yongfeng Zhang, Frank Zhishi Xia | 2002-07-16 |
| 6357626 | Pre-filled oral liquid disposable plastic container | Jack Yongfeng Zhang, Anthony D. Marrs | 2002-03-19 |
| 6343717 | Pre-filled disposable pipettes | Jack Yongfeng Zhang, Frank Zhishi Xia | 2002-02-05 |