Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885264 | Pressure-sintered polycpystalline mixed materials with a base of hexagonal boron nitride, oxides and carbides | Klaus Hunold, Alfred Lipp | 1989-12-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885264 | Pressure-sintered polycpystalline mixed materials with a base of hexagonal boron nitride, oxides and carbides | Klaus Hunold, Alfred Lipp | 1989-12-05 |