Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5882445 | Method of making semi-finished metal products | — | 1999-03-16 |
| 5746969 | Process for the production of dense silicon nitride materials | Lothar Schonfelder, Gerhard Leimer | 1998-05-05 |
| 5439964 | Thermoplastic molding compounds for the production of inorganic sintered moldings and a process for the production of inorganic sintered moldings | Holger Ohst, Lothar Schonfelder | 1995-08-08 |