Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7163514 | Specimen collection and application apparatus | David Zhou, Claudia J. R. Shen, Angela J. Q. Shen | 2007-01-16 |
| 7048693 | Specimen collection and storage and transport device and method | David Zhou, Claudia J. R. Shen, Angela J. Q. Shen | 2006-05-23 |
| 6921370 | Specimen collection and storage and transport device and method | David Zhou, Claudia J. R. Shen, Angela J. Q. Shen | 2005-07-26 |
| 6780160 | Specimen collection and application apparatus | David Zhou, Claudia J. R. Shen, Angela J. Q. Shen | 2004-08-24 |