Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6740803 | Computing device to allow for the selection and display of a multimedia presentation of an audio file and to allow a user to play a musical instrument in conjunction with the multimedia presentation | John Brinkman, Dave Hamilton, John Longawa, Charles Corris Randall, Marcus Ryle | 2004-05-25 |