Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8790498 | Method and device for ion beam processing of surfaces | Joachim Mai, Dietmar Roth, Karl-Heinz Dittrich | 2014-07-29 |
| 4731302 | Hard coatings for mechanically and corrosively stressed elements | Christian Weissmantel, Klaus Bewilogua, Dietmar Roth, Bernd Rother | 1988-03-15 |