Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6681022 | Two-way communication earpiece | Steven H. Puthuff, Patrick A. Mavrakis, Jon C. Taenzer, William N. Buchele | 2004-01-20 |
| 6000492 | Cerumen block for sound delivery system | Steven H. Puthuff, Jon C. Taenzer | 1999-12-14 |
| D411540 | Communications earpiece | Patrick A. Mavrakis, Steven H. Puthuff, David Q. Dobras | 1999-06-29 |