Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9177538 | Channel-mapped MIDI learn mode | — | 2015-11-03 |
| 8604329 | MIDI learn mode | — | 2013-12-10 |
| 6529501 | Method and apparatus for internet telephony | John Zhao, Michael J. Musiel | 2003-03-04 |
| 6016346 | Low-profile speakerphone with downward oriented microphone configuration | Stephen P. Rittmueller, Frank Annerino, Scott A. Chastain | 2000-01-18 |