ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,478,544, issued on Nov. 25, was assigned to Beston (Shenzhen) Technology Co. Ltd (Guangdong, China).

"Stimulating device" was invented by Zhenbo Zhang (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A stimulating device, wherein the stimulating device comprises: a main body; a stimulating member attached to the main body for stimulating the user; and a driving portion received in the main body; and a first oscillating portion and a second oscillating portion coupled to the driving portion; wherein the first oscillating portion and the second oscillating portion are respectively disposed in the stimulating portion, the stimulating portio...