Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6928175 | Audio system with optional auto-switching secondary connector, and method for same | Carl V. Bader | 2005-08-09 |
| 6491533 | Switching connector header and audio circuit, sound card and method employing same | Thomas M. Costello | 2002-12-10 |