Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7460673 | Point source speaker system | — | 2008-12-02 |
| 6760446 | Point source speaker system | — | 2004-07-06 |
| 6631193 | Audio system enhancement using psycho acoustic matrix | — | 2003-10-07 |
| 6169812 | Point source speaker system | — | 2001-01-02 |
| 6069962 | Point source speaker system | — | 2000-05-30 |
| 5245296 | Audio amplifier circuit and method of operation | Steven D. Heidorn | 1993-09-14 |