Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10938357 | Audio amplifier with integrated filter | — | 2021-03-02 |
| 10404221 | Amplifier circuit with reduced feedforward current | Lawrence R. Fincham, Andrew Mason | 2019-09-03 |
| 10298142 | Power conversion techniques | Andrew Mason, Lawrence R. Fincham | 2019-05-21 |
| 9484860 | Tracking power supply with increased boost capability | Lawrence R. Fincham | 2016-11-01 |
| 9413245 | Power converter with low ripple output | Lawrence R. Fincham | 2016-08-09 |
| 9071201 | Low dissipation amplifier | Lawrence R. Fincham | 2015-06-30 |
| 8942405 | Earphone device | Lawrence R. Fincham | 2015-01-27 |
| 8723605 | Efficient power amplifier | Lawrence R. Fincham | 2014-05-13 |
| 8576592 | Power converter with low ripple output | Lawrence R. Fincham | 2013-11-05 |
| 8447059 | Earphone device | Lawrence R. Fincham | 2013-05-21 |
| 8421531 | Low dissipation amplifier | Lawrence R. Fincham | 2013-04-16 |
| 8138837 | Efficient power amplifier | Lawrence R. Fincham | 2012-03-20 |
| 8004355 | Low dissipation amplifier | Lawrence R. Fincham | 2011-08-23 |
| 7834702 | Efficient power amplifier | Lawrence R. Fincham | 2010-11-16 |
| 6748087 | Headset with ear cushion and means for limiting the compression of the cushion | — | 2004-06-08 |
| 6412593 | Cushioned earphones | — | 2002-07-02 |
| 4806038 | Knock type mechanical pencil connection | — | 1989-02-21 |