Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9571917 | Acoustic device | Bojan Rip, Joseph M. Geiger, Chester Smith Williams, Pelham Norville | 2017-02-14 |
| 9554201 | Multiple-orientation audio device and related apparatus | Chester Smith Williams, Bojan Rip, Benjamin D. Burge | 2017-01-24 |
| 9532121 | Portable audio system having waveguide structure | Robert Preston Parker, Jacky Chi-Hung Chan, Todd Charter Brown, Lino Antony Pucci | 2016-12-27 |
| 9525932 | Acoustic device having active drivers mounted to a passive radiator diaphragm | Chester Smith Williams | 2016-12-20 |
| 9066174 | Portable audio system with integrated handle | Robert Preston Parker, Jacky Chi-Hung Chan, Todd Charter Brown, Lino Antony Pucci | 2015-06-23 |
| 8995696 | Speaker | Jason D. Silver, Darius Darayes Mobed | 2015-03-31 |
| 8798308 | Convective airflow using a passive radiator | Chester Smith Williams | 2014-08-05 |
| 8594358 | Passive acoustical radiating | Hal P. Greenberger | 2013-11-26 |
| 8561756 | Acoustic ports aligned to create free convective airflow | Chester Smith Williams | 2013-10-22 |
| 8548678 | Active suspending | Upendra Ummethala, Daniel Francis Opila, James A. Parison, Thomas C. Shroeder, Linda T. Scully | 2013-10-01 |
| 8503709 | Portable audio system having waveguide structure | Robert Preston Parker, Jacky Chi-Hung Chan, Todd Charter Brown, Lino Antony Pucci | 2013-08-06 |
| 8240426 | Three dimensional acoustic passive radiating | Jason D. Silver | 2012-08-14 |
| 8189841 | Acoustic passive radiating | Faruk Halil Bursal | 2012-05-29 |
| 8167083 | Reconfigurable loudspeaker enclosure | Chester Smith Williams | 2012-05-01 |
| 8115470 | Broadband isotropic antenna | — | 2012-02-14 |
| 8103035 | Portable audio system having waveguide structure | Robert Preston Parker, Jacky Chi-Hung Chan, Todd Charter Brown, Lino Antony Pucci | 2012-01-24 |
| 8031896 | Passive acoustic radiating | Geoffrey C. Chick, Hal P. Greenberger, Christopher B. Ickler, Roger Mark, George Nichols | 2011-10-04 |
| 7983813 | Active suspending | Upendra Ummethala, James A. Parison, Thomas C. Schroeder, Daniel Francis Opila, Linda Ystueta | 2011-07-19 |
| 7888907 | Controlled charging and use of power source | Hal P. Greenberger | 2011-02-15 |
| 7880330 | Controlling a power converter | Hal P. Greenberger | 2011-02-01 |
| 7656061 | Automatic power source configuration | — | 2010-02-02 |
| 7568552 | Acoustic passive radiator rocking mode reducing | Jingyi Liu, Roger Mark, Nachiketa Tiwari | 2009-08-04 |
| 7245185 | Controlling a power converter | William R. Short | 2007-07-17 |
| 7133533 | Passive acoustic radiating | Geoffrey C. Chick, Hal P. Greenberger, Christopher B. Ickler, Roger Mark, George Nichols | 2006-11-07 |
| 5417494 | Contactless testing of electronic materials and devices using microwaves | Krzysztof Kempa | 1995-05-23 |