Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4405707 | Method of producing relief structures for integrated semiconductor circuits | Siegfried Birkle, Roland Rubner | 1983-09-20 |
| 4264915 | Charge-coupled component formed on gallium arsenide | Walter Kellner, Hermann Kniepkamp | 1981-04-28 |