Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4720084 | Hydraulic engine mount | Heinz Hollerweger, Johannes van den Boom | 1988-01-19 |
| 4671227 | Hydraulic engine mount | Heinz Hollerweger, Bodo Aden, Johannes van den Boom | 1987-06-09 |
| 4652011 | Apparatus for steering an automotive vehicle | Heinz Hollerweger, Peter Steiner, Josef Zahl | 1987-03-24 |
| 4515239 | Noise reduction lining | Georg Blatt, Johannes van den Boom, Heinz Hollerweger | 1985-05-07 |