Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7483539 | Automobile audio system | Michael Stark, Hiroshi Miyazaki, Christopher Ludwig, Douglas J. Holmi, Seiji Kawakami +2 more | 2009-01-27 |
| 7133533 | Passive acoustic radiating | Geoffrey C. Chick, Roman N. Litovsky, Christopher B. Ickler, Roger Mark, George Nichols | 2006-11-07 |
| 6985593 | Baffle vibration reducing | George Nichols, Amar G. Bose | 2006-01-10 |
| 6028942 | Stethoscope with reduced susceptibility to interference from ambient noise | — | 2000-02-22 |
| 5883339 | Vibration isolation mount for a stethoscope chestpiece, and methods of using same | — | 1999-03-16 |
| 5870484 | Loudspeaker array with signal dependent radiation pattern | — | 1999-02-09 |
| 5708719 | In-home theater surround sound speaker system | William Clack, Jerome E. Ruzicka | 1998-01-13 |
| 5492129 | Noise-reducing stethoscope | — | 1996-02-20 |
| 5170435 | Waveguide electroacoustical transducing | Michael Rosen | 1992-12-08 |
| 5014323 | Voice coil lead dressing | Mitch Anthony Markow, Dale O. Moody | 1991-05-07 |