Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803183 | Dense molded bodies of polycrystalline aluminum nitride and process for preparation without use of sintering aids | Karl-Alexander Schwetz, Klaus Hunold, Max Mohr, Alfred Lipp | 1989-02-07 |