Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9967673 | Acoustic transducer comprising a plurality of coaxially arranged diaphragms | Andrew Unruh, Robert True, Edward T. Norcott, Jr., Jens-Peter B. Axelsson, David J. Prince +3 more | 2018-05-08 |
| 9462388 | Acoustic transducer comprising a plurality of coaxially arranged diaphragms | Andrew Unruh, Robert True, Edward T. Norcott, Jr., Jens-Peter B. Axelsson, David J. Prince +3 more | 2016-10-04 |
| 9301034 | Magnetic suspension transducer | Kenneth L. Kantor, Ioannis Kanellakopoulos | 2016-03-29 |
| 8942409 | Magnetic suspension transducer | Kenneth L. Kantor, Ioannis Kanellakopoulos | 2015-01-27 |
| 8897472 | Acoustic transducer comprising a plurality of coaxially arranged diaphragms | Andrew Unruh, Robert True, Edward T. Norcott, Jr., Jens-Peter B. Axelsson, David J. Prince +3 more | 2014-11-25 |
| 6925478 | Practical pseudo-asynchronous filter architecture | David Stumbo, Michael Sogard | 2005-08-02 |