Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5832374 | Radio transceiver including transmitter power control circuit | Winfrid Birth, Christopher B. Marshall | 1998-11-03 |
| 5697085 | Radio transceiver comprising an arrangement for compensating for a DC component | Winfrid Birth | 1997-12-09 |
| 5678199 | Transceiver with controlled transmit/receive impedance switching device | Winfried Birth, Christopher B. Marshall, Holger Morbitzer | 1997-10-14 |