Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4687043 | Composite casting process | Franz Weiss, Manfred Stark | 1987-08-18 |
| 4658706 | Cast light metal component for internal combustion engines | Wilfried Sander, Siegfried Mielke | 1987-04-21 |