Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5609748 | Anode for cathodic protection against corrosion | Stephan Kotowski, Bernd Busse | 1997-03-11 |
| 5516411 | Method and apparatus for continuous electrolytic recovery of metal in ribbon form from a metal containing solution | Stephan Kotowski, Harri Heinke, Wolfgang Blatt, Max Mayr | 1996-05-14 |