Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9036837 | Desktop audio monitor system and method | James Tuomy, Barry Michael Kosherick, Laurie Wilk | 2015-05-19 |
| 9014404 | Directional electroacoustical transducing | Charles Barker, Klaus Hartung | 2015-04-21 |
| 8238578 | Electroacoustical transducing with low frequency augmenting devices | — | 2012-08-07 |
| 8175292 | Audio signal processing | Erik Anderson | 2012-05-08 |
| 8175311 | Electroacoustic waveguide transducing | — | 2012-05-08 |
| 8139797 | Directional electroacoustical transducing | Charles Barker, Klaus Hartung | 2012-03-20 |
| 8045743 | Seat electroacoustical transducing | Charles Barker | 2011-10-25 |
| 7676047 | Electroacoustical transducing with low frequency augmenting devices | Charles Barker | 2010-03-09 |
| 7426280 | Electroacoustic waveguide transducing | — | 2008-09-16 |
| 7382888 | Phase shifting audio signal combining | Hilmar Lehnert, Robert Preston Parker | 2008-06-03 |
| 7164768 | Audio signal processing | Erik Anderson | 2007-01-16 |
| 7016501 | Directional decoding | Hilmar Lehnert | 2006-03-21 |
| 6928169 | Audio signal processing | — | 2005-08-09 |
| 6721425 | Sound signal mixing | — | 2004-04-13 |
| 6711266 | Surround sound channel encoding and decoding | — | 2004-03-23 |
| 6240189 | Generating a common bass signal | — | 2001-05-29 |
| 5809153 | Electroacoustical transducing | Timothy Holl, William P. Schreiber | 1998-09-15 |
| 5228085 | Perceived sound | — | 1993-07-13 |
| 5210802 | Acoustic imaging | — | 1993-05-11 |
| 4984273 | Enhancing bass | Timothy Holl, William J. Keezer | 1991-01-08 |