Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7419738 | Module for a fuel cell arrangement comprising plates joined by a seal | Werner Heinl, Hans-Joachim vom Stein | 2008-09-02 |
| 4962939 | Cylinder head gasket having overlays in end zones | Klaus Lonne, Klaus-Peter Majewski, Franz-Josef Giesen | 1990-10-16 |
| 4781389 | Flat sealing gasket having graphite-filled armor | Horst Beyer, Detlev Lachnit, Klaus Lonne, Klaus-Peter Majewski, Hans-Rainer Zerfass | 1988-11-01 |
| 4756537 | Cylinder head gasket | Horst Beyer | 1988-07-12 |