Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10667073 | Audio navigation to a point of interest | Mark Raymond Blewett, Paul T. Bender, Lee Zamir, Santiago Carvajal, Todd Richard Reily +5 more | 2020-05-26 |
| 10084410 | Moving magnet motor and transducer with moving magnet motor | Mark A. Hayner, Robert Preston Parker, Joseph R. Maurer | 2018-09-25 |
| 10015581 | Feedback microphone adaptor for noise canceling headphone | Lei Cheng, Andrew D. Munro, Ellen I. Searl | 2018-07-03 |
| 9628903 | Microspeaker acoustical resistance assembly | Andrew D. Munro, Christopher A. Pare, Lei Cheng, Nicholas John Joseph | 2017-04-18 |
| 9497549 | Levered loudspeakers | Brian Lucas, Johan H. Isaksson, Geoffrey C. Chick, Weidong Zhu | 2016-11-15 |
| 9258648 | Levered loudspeakers | Brian Lucas, Johan H. Isaksson, Geoffrey C. Chick | 2016-02-09 |
| 9226074 | Surround with variations of concavity | Weidong Zhu, Johan H. Isaksson | 2015-12-29 |
| 7252053 | Electromagnetic actuator and control | Thomas A. Froeschle, Roger Mark, Thomas C. Schroeder, Richard Tucker Carlmark, David E. Hanson +1 more | 2007-08-07 |
| 7234442 | Controlled starting and braking of an internal combustion engine | David E. Hanson, Jun Ma | 2007-06-26 |
| 7128032 | Electromagnetic actuator and control | Thomas A. Froeschle, Roger Mark, Thomas C. Schroeder, Richard Tucker Carlmark, David E. Hanson +1 more | 2006-10-31 |
| 7082899 | Controlled starting and braking of an internal combustion engine | David E. Hanson, Jun Ma, Geoffrey C. Chick | 2006-08-01 |