Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866129 | Impact resistant thermoplastic molding materials | Franz Brandstetter, Franz Haaf, Herbert Naarmann | 1989-09-12 |
| 4839418 | Thermoplastic molding materials and their preparation | Hans-Dieter Schwaben, Rainer Bueschl, Rainer Schlichtmann, Peter Klaerner, Hubert Kindler | 1989-06-13 |