Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886686 | Circuit board substrates of improved thermal conductivity | — | 1989-12-12 |
| 4869949 | Films of electrically conductive polymers | — | 1989-09-26 |
| 4867912 | Highly heat-resistant polyaryl ether ketones | Gerhard Heinz, Juergen Koch, Manfred Eggersdorfer, Jochem Henkelmann, Peter Ittemann | 1989-09-19 |
| 4803596 | Solid-state capacitor with an electroconductive polymer as constituent of the solid electrolyte | Gerhard Hellwig, Ottmar Baur, Klaus Feisst, Helmut Moehwald | 1989-02-07 |