Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6075979 | Radio receivers | Knud Holtvoeth, Andreas Wichern | 2000-06-13 |
| 5734974 | Selective call receivers with stepwise variable gain control | Edgar H. Callaway, Jr., James G. Mittel, Vance H. Peterson, Burkhard Dick, Knud Holtvoeth | 1998-03-31 |
| 4616186 | FM quadrature demodulator with distortion compensation | Winfrid B. Jansen, Hermann Jabs | 1986-10-07 |