Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10028062 | Driving plural armatures with a common stator | Brian Lucas, Geoffrey C. Chick | 2018-07-17 |
| 9763013 | Moving magnet motors | Brian Lucas | 2017-09-12 |
| 9601969 | Inhibiting rocking of loads driven by plural levers | Brian Lucas, Geoffrey C. Chick | 2017-03-21 |
| 9497549 | Levered loudspeakers | Brian Lucas, Geoffrey C. Chick, Weidong Zhu, Benjamin G. K. Peterson | 2016-11-15 |
| 9357279 | Elastomeric torsion bushings for levered loudspeakers | Brian Lucas, Geoffrey C. Chick | 2016-05-31 |
| 9258648 | Levered loudspeakers | Brian Lucas, Geoffrey C. Chick, Benjamin G. K. Peterson | 2016-02-09 |
| 9226074 | Surround with variations of concavity | Weidong Zhu, Benjamin G. K. Peterson | 2015-12-29 |