ALEXANDRIA, Va., July 14 -- United States Patent no. 12,684,446, issued on July 14, was assigned to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP. LTD. (Dongguan, China).

"Method for service switching between terminal devices" was invented by Jiangsheng Fan (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for service switching between terminal devices. The method comprises transmitting, by a first terminal device, a service switching request message to a second terminal device, wherein the service switching request message is configured to request the second terminal device to activate at least one session or service specified by the first terminal device, and comprises identifier inf...