| 12191076 |
Solenoid assembly actuation using resonant frequency current controller circuit |
— |
2025-01-07 |
| 11993953 |
Power controller for a door lock and method of conserving power |
David Corbin |
2024-05-28 |
| 11915869 |
Solenoid assembly actuation using resonant frequency current controller circuit |
— |
2024-02-27 |
| 11545289 |
Solenoid assembly with included constant-current controller circuit |
Brett L. Davis |
2023-01-03 |
| 11424061 |
Solenoid assembly actuation using resonant frequency current controller circuit |
— |
2022-08-23 |
| 11203890 |
Reduced power consumption electromagnetic lock |
Brett L. Davis |
2021-12-21 |
| 10964467 |
Solenoid assembly with included constant-current controller circuit |
Brett L. Davis |
2021-03-30 |
| 10815695 |
Power controller for a door lock and method of conserving power |
David Corbin |
2020-10-27 |
| 10573450 |
Degauss circuit for use in an electronically actuated door lock |
Brett L. Davis, Eric R. Anderson |
2020-02-25 |
| 10378242 |
Constant-current controller for an inductive load |
Brett L. Davis |
2019-08-13 |
| 9509163 |
Power control circuit assembly for an electric door latch mechanism |
David Corbin, Scott Sullivan, Brett L. Davis, Scott B. Lowder |
2016-11-29 |
| 5969499 |
Controller for AC motor |
— |
1999-10-19 |