Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5875928 | Device for mixing and discharging a molding composition | Reiner Diederich, Otto Mengel, Alfred Von Schuckmann | 1999-03-02 |
| 4665678 | Lightweight constructions of increased strength and dimensional stability | Lothar Preis | 1987-05-19 |