Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808292 | Arrangement for stabilizing a gas-reference electrode | Manfred Kessler | 1989-02-28 |
| 4714673 | Method for measurement of concentration of substance | Manfred Kessler | 1987-12-22 |
| 4411151 | Device for calibrating gas electrodes | Manfred Kessler | 1983-10-25 |
| RE31299 | Ion-selective electrode device for polarographic measurement of oxygen | Manfred Kessler | 1983-07-05 |
| 4263115 | Ion-selective electrode device for polarographic measurement of oxygen | Manfred Kessler | 1981-04-21 |