ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,896, issued on Jan. 13, was assigned to WiTricity Corp. (Watertown, Mass.).

"Multi-level inverter for wireless power transmission" was invented by Milisav Danilovic (Watertown, Mass.), Oguz Atasoy (Delft, Netherlands), Nam Hoai Le (Aarau, Switzerland) and David Gellis (Cambridge, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are controllers configured for a wireless power system and methods for such controllers and systems. The controller includes a control module configured to generate a first control signal having a first voltage level and a second control signal having a second voltage level and a modulator configured to (...