Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9247368 | Loudspeaker cone body | Louis A. Mango, III, Ryszard A. Pilatowski, John F. Steere | 2016-01-26 |
| 7706563 | Concentric radial ring motor | — | 2010-04-27 |
| 7092536 | System for transducer compensation based on ambient conditions | Steven W. Hutt, Ryan J. Mihelich | 2006-08-15 |
| 6373957 | Loudspeaker structure | — | 2002-04-16 |