Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7440577 | Methods and apparatus for automatic mixing of audio signals | — | 2008-10-21 |
| 7242779 | Methods and apparatus for sub-harmonic generation, stereo expansion and distortion | Earnest Lloyd Trammell | 2007-07-10 |
| 7203320 | Sub-harmonic generator and stereo expansion processor | Earnest Lloyd Trammell | 2007-04-10 |
| 7171002 | Methods and apparatus for sub-harmonic generation, stereo expansion and distortion | Earnest Lloyd Trammell | 2007-01-30 |
| 7136493 | Sub-harmonic generator and stereo expansion processor | Earnest Lloyd Trammell | 2006-11-14 |
| 6627808 | Acoustic modeling apparatus and method | Earnest Lloyd Trammell, Michael V. Powers | 2003-09-30 |