Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11785379 | Vibration and force cancelling transducer assembly | — | 2023-10-10 |
| 11570547 | Vibration and force cancelling transducer assembly | — | 2023-01-31 |
| 11564033 | Vibration and force cancelling transducer assembly having a passive radiator | — | 2023-01-24 |
| 11451901 | Eyeglass headphones | Ray Scott Wakeland, Ryan C. Struzik, Chester Smith Williams | 2022-09-20 |
| 11134337 | Variable port microphone | — | 2021-09-28 |
| 10951976 | Eyeglass headphones | Ray Scott Wakeland, Ryan C. Struzik, Chester Smith Williams | 2021-03-16 |
| 10785551 | Portable loudspeaker | Allen T. Graff, Roman N. Litovsky, Bojan Rip, Donna Marie Sullivan, Chester Smith Williams +1 more | 2020-09-22 |
| 10555071 | Eyeglass headphones | Ray Scott Wakeland, Ryan C. Struzik, Chester Smith Williams | 2020-02-04 |
| 10484774 | Acoustic transducer | Roman N. Litovsky | 2019-11-19 |
| 10462558 | Audio device | Ryan C. Struzik | 2019-10-29 |
| 10397681 | Acoustic transducer | Roman N. Litovsky | 2019-08-27 |
| 9749735 | Waveguide | Lifun Lin, William Berardi | 2017-08-29 |
| 9549242 | Acoustic filter | John H. Wendell | 2017-01-17 |
| 9173018 | Acoustic filter | John H. Wendell | 2015-10-27 |
| 8991548 | Acoustic diaphragm suspending | — | 2015-03-31 |
| 8995696 | Speaker | Roman N. Litovsky, Darius Darayes Mobed | 2015-03-31 |
| 8540049 | Acoustic diaphragm suspending | — | 2013-09-24 |
| 8240426 | Three dimensional acoustic passive radiating | Roman N. Litovsky | 2012-08-14 |
| 8085968 | Resonating cone transducer | — | 2011-12-27 |
| 7931115 | Diaphragm surrounding | — | 2011-04-26 |
| 7699139 | Diaphragm surround | K. Venkat Subramaniam, Zhen Xu, Robert Preston Parker | 2010-04-20 |
| 5950020 | Folding photographic method and apparatus | Alan D. Ball, Peter P. Clark, John P. Kirby, Paul F. Neely, George D. Whiteside | 1999-09-07 |