ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,284, issued on Jan. 27, was assigned to YUN YANG INDUSTRIAL Co. LTD. (Taichung, Taiwan).
"Changeable massage device" was invented by Shih-Chang Chen (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A changeable massage device includes a main body, a position limiter, and a control member. The main body includes a combination part and a body part. The position limiter is slidably disposed on the combination member and has a limiting recess. The position limiter moves between an opening and a locking position. The control member is between the main body and the position limiter. The control member has an operation part and a connection...