Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7224738 | Method of high-frequency signal transmission | — | 2007-05-29 |
| 6937881 | Wireless radio telephone apparatus | — | 2005-08-30 |
| 6888486 | Apparatus for producing a natural electromagnetic alternating field close to the body | — | 2005-05-03 |
| 6658121 | Headphone having an adjustable localization of auditory events | — | 2003-12-02 |
| 6554097 | Low-radiation headphone | — | 2003-04-29 |
| 5784477 | System for the frontal localization of auditory events produced by stereo headphones | — | 1998-07-21 |