Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639360 | Electrode for an electrolytic cell, use thereof and method using same | Norbert Prum, Hans J. May | 1997-06-17 |
| 5618391 | Device for electrolytically coating one side of metal strips | Hans J. May | 1997-04-08 |