Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5498291 | Arrangement for coating or etching substrates | Manfred Arnold, Rainer Gegenwart, Jochen Ritter, Helmut Stoll | 1996-03-12 |
| 5423971 | Arrangement for coating substrates | Manfred Arnold, Rainer Gegenwart, Klaus Michael, Michael Scherer, Jochen Ritter +1 more | 1995-06-13 |
| 4900646 | Electrophotographic recording material and method of producing it | Wilhelm Senske, Ekkehard Niemann, Roland Herkert | 1990-02-13 |