Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5657818 | Permeable structure | Jurgen Bottcher, Rudolf Ganz, Otto Heinz, Rudiger Herrmann, Jorg Honerlage +3 more | 1997-08-19 |
| 5656219 | Process for producing densely sintered silicon nitride components | Gunter Riedel, Hartmut Kruner, Cornelia Boberski, Friedrich Hessel, Wolfgang Bocker +3 more | 1997-08-12 |