Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5339829 | Oral collection device | Thomas R. Thieme, Stephen Carl Piacentini, Nanette M. Klimkow | 1994-08-23 |
| 5335673 | Oral collection device and method for immunoassay | Stefan Gavojdea, David Zogg | 1994-08-09 |