Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862248 | Contacting system for bipolar electronic circuit elements, more particularly semiconductor circuit elements | Henrich Zeile | 1989-08-29 |
| 4533898 | Symmetrical temperature sensor | — | 1985-08-06 |
| 4462019 | Photosensitive semiconductor resistor | Helmut Ewaldt, Gerhard Raabe, Rainer Burmeister | 1984-07-24 |