Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5199029 | Circuit arrangement for establishing conference connections | Peter Hessler, Manfred Schmidt | 1993-03-30 |
| 5172393 | Circuit arrangement for channel-specific processing of a multi-channel input signal | Peter Hessler, Manfred Schmidt, Michael Behrens | 1992-12-15 |
| 4700394 | Method of recognizing speech pauses | Peter Vary | 1987-10-13 |
| 4682361 | Method of recognizing speech pauses | Peter Vary | 1987-07-21 |