Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867860 | Method of manufacturing ion-selective electrodes for analyzing selected ions in solution | Hans-Rudolf Wuhrmann | 1989-09-19 |
| 4859306 | Selectively ion-permeable dry electrodes for analyzing selected ions in aqueous solution | Hans-Rudolf Wuhrmann | 1989-08-22 |