Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5286765 | Process for the preparation of foundry cores and molds | Joachim Franke | 1994-02-15 |
| 5286831 | At least substantially pore-free polyurethane molding compounds | Bernhard Hess, Klaus Prater, Heinrich Heine, Joachim Franke | 1994-02-15 |