ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,550,871, issued on Feb. 17.
"Pet companion device, handheld device, terminal device and system" was invented by Wenjin Feng (Shenzhen, China) and Junyong Zhang (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pet companion device, a handheld device, a terminal device and a system, wherein the pet companion device comprises a pet companion handheld module and a pet companion terminal module; the pet companion terminal module is arranged on the neck of the pet and is configured to receive first positioning information sent by the pet companion handheld module and return first positioning response information, the first positioning respons...