Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7444288 | Automatically mixing audio signals in a predetermined manner | Spencer Brewer | 2008-10-28 |
| 7213259 | Method and apparatus for a mixed-media messaging delivery system | Spencer Brewer | 2007-05-01 |