Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11956589 | PMD speaker mounting assembly and thermal control system for multiple drivers | Matthew C. Trinklein, David J. Michno, Stuart Grindle Ringwald | 2024-04-09 |
| 11272275 | Magnetic recoil fastener assembly for in-wall speaker installations | David J. Michno, Matthew C. Trinklein | 2022-03-08 |