Issued Patents All Time
Showing 25 most recent of 120 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12107559 | Method and apparatus to evaluate audio equipment for dynamic distortions and or differential phase and or frequency modulation effects | — | 2024-10-01 |
| 12035113 | Method and apparatus to evaluate audio equipment for dynamic distortions and or differential phase and or frequency modulation effects | — | 2024-07-09 |
| 11425518 | Method and apparatus to evaluate audio equipment for dynamic distortions and or differential phase and or frequency modulation effects | — | 2022-08-23 |
| 11418152 | Biasing circuits for voltage controlled or output circuits | — | 2022-08-16 |
| 11381211 | Method and apparatus to evaluate audio equipment for dynamic distortions and or differential phase and or frequency modulation effects | — | 2022-07-05 |
| 11192779 | Method and apparatus for evaluating electrostatic or nonlinear devices | Sandra Manosalvas-Kjono, Olav Solgaard, Zhanghao Sun | 2021-12-07 |
| 11177786 | Field effect transistor circuits | — | 2021-11-16 |
| 11128262 | Low voltage tube circuits | — | 2021-09-21 |
| 11041893 | Method and apparatus to evaluate audio equipment for dynamic distortions and or differential phase and or frequency modulation effects | — | 2021-06-22 |
| 10897681 | Method and apparatus to evaluate audio equipment for dynamic distortions and or differential phase and or frequency modulation effects | — | 2021-01-19 |
| 10879864 | Method and apparatus to evaluate audio equipment for dynamic distortions and or differential phase and or frequency modulation effects | — | 2020-12-29 |
| 10868507 | Biasing circuits for voltage controlled or output circuits | — | 2020-12-15 |
| 10651810 | Field effect transistor circuits | — | 2020-05-12 |
| 10536756 | Method and apparatus for reducing and restoring the effectiveness of a commercial skip system | John O. Ryan, Peter Wonfor | 2020-01-14 |
| 10418960 | Method and apparatus to evaluate audio equipment for dynamic distortions and or differential phase and or frequency modulation effects | — | 2019-09-17 |
| 10411009 | Field effect transistor circuits | — | 2019-09-10 |
| 10299041 | Method and apparatus to evaluate audio equipment for dynamic distortions and or differential phase and or frequency modulation effects | — | 2019-05-21 |
| 10216205 | Low voltage tube circuits | — | 2019-02-26 |
| 10165379 | Method and apparatus to evaluate audio equipment for dynamic distortions and or differential phase and or frequency modulation effects | — | 2018-12-25 |
| 10158957 | Method and apparatus to evaluate audio equipment for dynamic distortions and or differential phase and or frequency modulation effects | — | 2018-12-18 |
| 10129605 | Method and apparatus for reducing and restoring the effectiveness of a commercial skip system | John O. Ryan, Peter Wonfor | 2018-11-13 |
| 10067177 | Method and apparatus to evaluate audio equipment via filter banks for dynamic distortions and or differential phase and frequency modulation effects | — | 2018-09-04 |
| 10063194 | Low voltage tube circuits | — | 2018-08-28 |
| 10060958 | Method and apparatus to evaluate audio equipment via at least one filter for dynamic distortions and or differential phase and or frequency modulation effects | — | 2018-08-28 |
| 10012682 | Method and apparatus to evaluate audio equipment for dynamic distortions and or differential phase and or frequency modulation effects | — | 2018-07-03 |