| 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 |