Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4731302 | Hard coatings for mechanically and corrosively stressed elements | Christian Weissmantel, Bernd Rau, Klaus Bewilogua, Dietmar Roth | 1988-03-15 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4731302 | Hard coatings for mechanically and corrosively stressed elements | Christian Weissmantel, Bernd Rau, Klaus Bewilogua, Dietmar Roth | 1988-03-15 |