ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,527,714, issued on Jan. 20, was assigned to HYTTO PTE. LTD. (Singapore).

"Sexual stimulation device" was invented by Zhiwen Wu (Guangzhou, China), Kaixiang Fang (Guangzhou, China) and Bin Lu (Guangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sexual stimulation device includes a housing and a flexible massage body. The housing includes first and second housing portions and an expandable and contractible connector that connects the two housing portions. The flexible massage body is disposed within the housing, having a massage cavity for receiving a penis. The housing has first and second end portions opposite to each other and a middle po...