Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5755231 | Test strip including integral specimen flow retarding structure | Gary Krantz, Shuenn-tzong Chen, Joanne Zeng | 1998-05-26 |
| 4683209 | Viability test device | Ibrahim A. Ismail, Paul Hemmes, Mark T. Skarstedt | 1987-07-28 |
| 4649121 | Viability test device | Ibrahim A. Ismail, Paul Hemmes, Mark T. Skarstedt | 1987-03-10 |
| 4215995 | Test means and assay for determining the urea content of fluids | Richard Turk | 1980-08-05 |