Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7163514 | Specimen collection and application apparatus | David Zhou, Nai Wang, Claudia J. R. Shen | 2007-01-16 |
| 7048693 | Specimen collection and storage and transport device and method | David Zhou, Nai Wang, Claudia J. R. Shen | 2006-05-23 |
| 6921370 | Specimen collection and storage and transport device and method | David Zhou, Nai Wang, Claudia J. R. Shen | 2005-07-26 |
| 6780160 | Specimen collection and application apparatus | David Zhou, Nai Wang, Claudia J. R. Shen | 2004-08-24 |
| D477669 | Specimen collection tube | David Zhou, Naishu Wang, Claudia J. R. Shen | 2003-07-22 |