ALEXANDRIA, Va., July 9 -- United States Patent no. 12,350,231, issued on July 8.
"Massager" was invented by Lang Cun (Shenzhen, China), Xuefei Cai (Shenzhen, China) and Qing Ma (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides massager, comprising: a shell, an inner sleeve assembled in the shell, and a vibration mechanism for driving the inner sleeve to massage and stimulate a massaged area, wherein: the inner sleeve is made of elastic material and a gap space is reserved between the inner sleeve and the shell; the massager also comprises a sucking mechanism, which is activated to pump or inflate air to form a pressure difference between the massage cavity insid...