Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5088690 | Electrode holder for immersion-type, flow-type and attachment-type measuring systems in analytical chemistry | Hans-Joachim Oppermann | 1992-02-18 |
| 4657657 | Multiple combination electrode with associated multi-point plug mount | — | 1987-04-14 |