Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5384020 | Anode structure for cathodic protection against corrosion, and method for making the anode structure | Gunter Oppermann, Stefan Kotowski | 1995-01-24 |
| 5135633 | Electrode arrangement for electrolytic processes | Stefan Kotowski, Gerhardt Dehm, Reinhard Koch | 1992-08-04 |