ALEXANDRIA, Va., June 2 -- United States Patent no. 12,646,066, issued on June 2, was assigned to Telefonaktiebolaget LM Ericsson (publ) (Stockholm).

"Radio network pulses for contactless payment verification" was invented by Paul McLachlan (San Francisco), Hector Caltenco (Oxie, Sweden), Saeed Bastani (Dalby, Sweden) and Fredrik Dahlgren (Lund, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of a transaction verification service is implemented by an electronic device. The method includes receiving a transaction identifier from a user device or a merchant device, requesting at least one transmitter near the user device or the merchant device to send a location code to the user device or the me...