Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6599387 | Method for the thermal adhesion of parts made of acrylic plastic and parts made of engineering plastics | Alexander Theil, Karl-Heinz Fehring | 2003-07-29 |
| 4907648 | Plastic crosscurrent heat exchanger | Dieter Franitza, Heinrich Hartmann, Klaus Kerk | 1990-03-13 |