Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879324 | Thermoplastic molding compositions based on polycarbonates, polyesters and polyamides | Erhard Seiler, Hans-Georg Braun | 1989-11-07 |
| 4798855 | Thermoplastic molding materials | Gerd Blinne, Peter Ittemann, Gerhard Heinz, Erhard Seiler, Manfred Knoll | 1989-01-17 |