Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871678 | Agent and process for the determination of calcium | Hans-Peter Wahl | 1989-10-03 |
| 4857640 | Process and reagent for the determination of .alpha.-amylase | Eberhard Henkel, Barkew Dolabdjian, Roland Helger, Rainer Klink | 1989-08-15 |