Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4557885 | Method of producing capacitive electronic discs | Helmut G. Kiess, Max Derendinger | 1985-12-10 |
| 4557886 | Method of producing capacitive electronic discs | Helmut G. Kiess, Max Derendinger | 1985-12-10 |
| 4319284 | Repetitive readout of electrostatically stored information | Helmut G. Kiess | 1982-03-09 |
| 4296478 | Readout of electrostatically stored information | Helmut G. Kiess | 1981-10-20 |