Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6501399 | System for creating and amplifying three dimensional sound employing phase distribution and duty cycle modulation of a high frequency digital signal | — | 2002-12-31 |
| 6064329 | System for creating and amplifying three dimensional sound employing phase distribution and duty cycle modulation of a high frequency digital signal | Alan J. Kacperski | 2000-05-16 |