ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,316, issued on June 10, was assigned to SHANGHAI SUNSEEKER ROBOTIC TECHNOLOGY Co. LTD. (Shanghai).
"Stationary device, installing method thereof, and autonomous working system" was invented by Miaowu Ma (Shanghai) and Jian Xiong (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A stationary device includes a first base, a second base and a stationary device control assembly. The first base is configured to be detachably connected with the second base. The second base includes an inner cavity in which the stationary device control assembly is housed. The stationary device is configured to include a first state and a second state. For the first...