Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6741706 | Audio signal processing method and apparatus | David S. McGrath, Adam Richard McKeag, Richard J. Cartwright, Andrew P. Reilly | 2004-05-25 |
| 6687663 | Audio processing method and apparatus | David S. McGrath | 2004-02-03 |