Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491533 | Switching connector header and audio circuit, sound card and method employing same | John DeHelian | 2002-12-10 |
| 5824938 | Velocity sensing trigger interface for musical instrument | Gary M. Trapuzzano, Carl V. Bader | 1998-10-20 |