Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852864 | Hydraulic-damping two-chamber engine mount | Horst Bitschkus, Manfred Hofmann, Uwe Nelles, Gunther Siewert | 1989-08-01 |
| 4589638 | Decoupling diaphragm for two-chamber engine mounts | Manfred Hofmann | 1986-05-20 |