Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9964574 | Residual current detecting (RCD) and ground impedance monitoring transformer and control methods | Peter Gabrielsson, Albert Joseph Flack | 2018-05-08 |
| 9915692 | Utility ground detection | Albert Joseph Flack | 2018-03-13 |