Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7077616 | Latch assembly for a ramp of a vehicle trailer | — | 2006-07-18 | |
| 5949891 | Filtering audio signals from a combined microphone/speaker earpiece | Carol Wu | 1999-09-07 | $115,425,000 |
| 5761602 | Hybrid multichannel data transmission system utilizing a broadcast medium | Peter H. Moss | 1998-06-02 | |
| 5761292 | Simultaneous transfer of control information with voice and data over a public switched telephone network line | Ralph Smith, Daniel R. Cox | 1998-06-02 | $54,938,000 |
| 5631967 | Processing audio signals using a state variable | Robert Marshall | 1997-05-20 | $476,969,000 |
| 5579389 | Histogram-based processing of audio signals | Robert Marshall | 1996-11-26 | $166,423,000 |
| 5566238 | Distributed processing of audio signals | Robert Marshall | 1996-10-15 | $102,613,000 |