Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6631196 | Method and device for using an ultrasonic carrier to provide wide audio bandwidth transduction | Robert J. Higgins, Jr. | 2003-10-07 |
| 6631197 | Wide audio bandwidth transduction method and device | — | 2003-10-07 |
| 6603860 | Apparatus and method for monitoring magnetic audio systems | Jeffrey Mario Sicurello | 2003-08-05 |