ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,593, issued on March 18, was assigned to SR Technologies Inc. (Sunrise, Fla.).

"Geo-locating of wireless devices using squared residuals from round trip time and angle of arrival vectors" was invented by Kyle Patrick Kelly (Palm Beach Gardens, Fla.) and Mark Passler (Rockville, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for determining a geo-location of a target station includes transmitting a plurality of ranging packets to a target station and receiving a plurality of response packets transmitted by the target station. A plurality of round-trip times (RTTs) are determined based on the ranging packets and the response packets. A p...