ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,754,301, issued on Oct. 6, was assigned to PROVIDENTIAL INNOVATIONS LLC (Nisswa, Minn.).

"Ultrasonic sensing for measuring objects in spatial environments" was invented by Robert Ray Gross (Nisswa, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Positioning acoustic receivers to sense an incoming acoustic wave uses a first receiver adjacent to a second receiver. The first and second receivers have a center point along a first axis. A third receiver is adjacent to the first receiver. A center point of the third receiver is along a second axis perpendicular to the first axis. A third axis, perpendicular to the second axis, crosses the center point of ...