Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812399 | Analytical element and method for the determination of creatinine or creatine | John C. Mauck, Linda A. Mauck | 1989-03-14 |
| 4806470 | Analytical element and method for theophylline determination having increased alkaline phosphatase isoenzyme | Paul H. Frickey | 1989-02-21 |