Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5982905 | Distortion reduction in signal processors | David G. Cornwell | 1999-11-09 |
| 5386474 | Amplifier-speaker interface correction circuit | David G. Cornwell | 1995-01-31 |
| 5357587 | Distortion reduction in loudspeakers | David G. Cornwell | 1994-10-18 |
| 5070530 | Electroacoustic transducers with increased magnetic stability for distortion reduction | David G. Cornwell | 1991-12-03 |
| 4597100 | Ultra high resolution loudspeaker system | David G. Cornwell | 1986-06-24 |
| 4594561 | Audio amplifier with resistive damping for minimizing time displacement distortion | David G. Cornwell | 1986-06-10 |
| 4500850 | Audio amplifier apparatus with minimum non-linear distortion | — | 1985-02-19 |
| 4312060 | Preamplifier for phonograph pickup | — | 1982-01-19 |