Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4969960 | Method for increasing the resistance to thermal shocks in heating conductor materials | Gunter Lehnert, Friedrich Behr, Manfred Heinritz | 1990-11-13 |
| 4798631 | Metallic semi-finished product, processes for its preparation and its use | Hans-Joachim Fleischer, Klaus Lohscheidt, Friedrich Behr | 1989-01-17 |