| 11662394 |
Ground monitor with smart frequency selection |
Robin Vice |
2023-05-30 |
| 10418216 |
Phase operation indicator |
Robin Vice |
2019-09-17 |
| 10141142 |
Multiple frequency tone monitor |
— |
2018-11-27 |
| 10048299 |
Electric power sensor |
— |
2018-08-14 |
| 9722408 |
ARC-free capacitor trip device |
— |
2017-08-01 |
| 9645184 |
Watchdog circuit for ground monitor current sensing |
— |
2017-05-09 |
| 9547032 |
Frequency hopping ground monitor current sensing |
— |
2017-01-17 |
| 9541595 |
Multi-frequency ground monitor current sensing |
— |
2017-01-10 |
| 9541596 |
Multi-frequency ground monitor current sensing without a DC component |
— |
2017-01-10 |
| 9541594 |
Multi-frequency ground monitor current sensing |
— |
2017-01-10 |
| 9374633 |
Audio amplifier attachable to speaker system by way of magnetic coupler and method therefor |
Charles C. Adams, Jerry Kenneth Hubbard, Eric Matthew Miller |
2016-06-21 |
| 9337593 |
Plug and receptacle assembly |
Shawn Norton, Tom Akers, John Houston |
2016-05-10 |
| 9197055 |
Ground monitor current sensing |
Robin Vice |
2015-11-24 |
| 9172234 |
Ground monitor circuit protection apparatus |
Robin Vice |
2015-10-27 |
| 9124089 |
Ground monitor accessory connection |
Robin Vice |
2015-09-01 |
| 7804966 |
Audio amplifier attachable to speaker system by way of magnetic coupler and method therefor |
Charles C. Adams, Jerry Kenneth Hubbard, Eric Matthew Miller |
2010-09-28 |
| 7678985 |
Standalone electronic module for use with musical instruments |
Charles C. Adams, Jeremy Brieske, Lawrence E. Lorenzen |
2010-03-16 |
| 7326849 |
Foot-operated docking station for electronic modules used with musical instruments |
Charles C. Adams, Jeremy Brieske, Lawrence E. Lorenzen |
2008-02-05 |
| 6694029 |
Unobtrusive removal of periodic noise |
Charles C. Adams |
2004-02-17 |
| 6222110 |
Simulated tone stack for electric guitar |
Keith L. Chapman, Charles C. Adams |
2001-04-24 |
| 5260644 |
Self-adjusting shunt regulator and method |
— |
1993-11-09 |
