Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D456082 | Lateral flow immunoassay cassette | Jack Zuidema | 2002-04-23 |
| 5271895 | Test strip | Ralph P. McCroskey, Helmut Freitag, Mary C. Smith, Kenneth J. Dean, Stephanie Secrest | 1993-12-21 |
| 5084395 | Reducible indicator compositions containing pyrogallol derivatives | Michael C. Phillips | 1992-01-28 |
| 4971918 | Reducible indicator compositions containing pyrogallol derivatives | Michael C. Phillips | 1990-11-20 |