Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4661740 | Polycrystalline sintered bodies based on lanthanum hexaboride, and a process for their manufacture | Heinrich Knoch, Alfred Lipp | 1987-04-28 |
| 4614724 | Polycrystalline sintered compacts based on europium hexaboride and process for their manufacture | Heinrich Knoch, Karl-Alexander Schwetz, Alfred Lipp | 1986-09-30 |