Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10953333 | Community-integrated smart playground and method of its use | Byron Joshua Seef, Matthew Herbert Toner | 2021-03-23 |
| 9967672 | Audio system | — | 2018-05-08 |
| 9460634 | Systems for and methods of digital recording and reproduction of tactile drawings | Michael Coleman, Joshua Coffee, William David Banks, Kristin Leigh Funabashi, Rebecca Risko +3 more | 2016-10-04 |
| 9403401 | Thermal eraser for tactile drawings | Michael Coleman, Joshua Coffee, William David Banks, Kristin Leigh Funabashi, Rebecca Risko +3 more | 2016-08-02 |
| 8396240 | Baffle vibration reducing | — | 2013-03-12 |
| 8144894 | Ducting sound | — | 2012-03-27 |
| 8098875 | Headrest surround channel electroacoustical transducing | Douglas J. Holmi | 2012-01-17 |
| 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 |
| 7551749 | Baffle vibration reducing | Richard Warren Little | 2009-06-23 |
| 7424127 | Headrest surround channel electroacoustical transducing | Douglas J. Holmi | 2008-09-09 |
| 7305097 | Controlling fading and surround signal level | Tobe Z. Barksdale, Christopher Ludwig | 2007-12-04 |
| 5170435 | Waveguide electroacoustical transducing | Hal P. Greenberger | 1992-12-08 |