Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8073169 | Controlling fading and surround signal level | — | 2011-12-06 |
| 7983436 | Baffle vibration reducing | George Nichols, Hal P. Greenberger | 2011-07-19 |
| 7940939 | Vehicle trunk woofer | Donald F. Hamilton | 2011-05-10 |
| 7899198 | Headrest surround channel electroacoustical transducing | Douglas J. Holmi | 2011-03-01 |