Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698605 | Flame-resistant polymethacrylimide foams | Manfred Krieg, Werner Geyer | 1997-12-16 |
| 4740530 | Method for foaming synthetic resin bodies with microwave or high frequency energy | — | 1988-04-26 |
| 4387066 | Method of making a foamed resin sheet | — | 1983-06-07 |
| 4316934 | Method for making laminates comprising a hard foam layer and a fiber-reinforced synthetic resin layer | Leonhard Maier | 1982-02-23 |
| 4205111 | Laminates comprising a foamed polyimide layer | Klaus Winter | 1980-05-27 |