Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890238 | Method for physical VLSI-chip design | Klaus Klein, Kurt Pollmann, Helmut Schettler, Uwe Schulz, Rainer Zuehlke | 1989-12-26 |
| 4845676 | Non-clocked static memory cell | Wolf-Dieter Lohlein, Helmut Schettler | 1989-07-04 |
| 4815113 | Method for digital slope control of output signals of power amplifiers in semiconductor chips | Thomas Ludwig, Helmut Schettler, Rainer Zuhlke | 1989-03-21 |