Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |