Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6868162 | Method and apparatus for automatic volume control in an audio system | Christopher Michael Jubien, Constantine Lakoumentas, Dale John Shpak, Jeffrey William Sondermeyer | 2005-03-15 |
| 6046395 | Method and apparatus for changing the timbre and/or pitch of audio signals | Brian C. Gibson, Christopher Michael Jubien | 2000-04-04 |
| 5986198 | Method and apparatus for changing the timbre and/or pitch of audio signals | Brian C. Gibson, Christopher Michael Jubien | 1999-11-16 |
| 5641926 | Method and apparatus for changing the timbre and/or pitch of audio signals | Brian C. Gibson, Christopher Michael Jubien | 1997-06-24 |
| 5567901 | Method and apparatus for changing the timbre and/or pitch of audio signals | Brian C. Gibson, Christopher Michael Jubien | 1996-10-22 |