Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8453773 | Vehicle battery systems and methods | Dale Hill, Shaun Onorato, Donald Morris, Stephen Misencik, John Winkel | 2013-06-04 |
| 8324858 | Charging stations for electric vehicles | Dale Hill, Joshua Goldman, John Horth | 2012-12-04 |
| 7044011 | Test fixture assembly for directional pilot valve and related method | Virginia Kay Encinias, Michael Wayne Sides | 2006-05-16 |
| 5901230 | Hands-free communication method for a multichannel transmission system | — | 1999-05-04 |
| 5570423 | Method of providing adaptive echo cancellation | Hans Jurgen Matt | 1996-10-29 |
| 5467394 | Method of improving sidetone attenuation in electroacoustic systems | Peter Heitkamper | 1995-11-14 |
| 5359653 | Circuit arrangement for controlling the volume range of a voice terminal | Peter Heitkamper | 1994-10-25 |
| 5068903 | Method of and arrangement for linearizing the frequency response of a loudspeaker system | — | 1991-11-26 |
| 4891837 | Voice control circuit for a communication terminal | Gunter A. Kohler | 1990-01-02 |