Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9239368 | Methods and apparatus for continuous ground fault self-test | Artur J. Lewinski, Ross E. Teggatz | 2016-01-19 |
| 8384392 | Methods and apparatus for continuous ground fault self test | Artur J. Lewinski, Ross E. Teggatz | 2013-02-26 |
| 8311785 | Methods and apparatus to minimize saturation in a ground fault detection device | Artur J. Lewinski, Ross E. Teggatz | 2012-11-13 |
| 8018235 | Methods and apparatus to facilitate ground fault detection with a single coil and an oscillator | Artur J. Lewinski, Ross E. Teggatz | 2011-09-13 |
| 7973535 | Methods and apparatus to manage ground fault conditions with a single coil | Artur J. Lewinski, Ross E. Teggatz | 2011-07-05 |
| 7834636 | Methods and apparatus to facilitate ground fault detection with a single coil | Artur J. Lewinski, Ross E. Teggatz | 2010-11-16 |