Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835596 | Transistor with a high collector-emitter breakthrough voltage | — | 1989-05-30 |
| 4816224 | Device for separating plasma or serum from whole blood and analyzing the same | Peter Vogel, Hans-Peter Braun, Dieter Berger | 1989-03-28 |
| 4800128 | Chemical attack-resistant, liquid-tight lining | Eckhard Schacht, Dieter Velte, Albert E. Wolf | 1989-01-24 |