Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806486 | Calibration liquid for ion-specific electrodes, process for preparing them and their application | Ronald Sprokholt, Alphons B. T. J. Boink | 1989-02-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806486 | Calibration liquid for ion-specific electrodes, process for preparing them and their application | Ronald Sprokholt, Alphons B. T. J. Boink | 1989-02-21 |