ALEXANDRIA, Va., June 2 -- United States Patent no. 12,642,739, issued on June 2, was assigned to Shenzhen Hijoy Technology Co. Ltd. (Shenzhen, China).

"Compound massage action massager, a massage assembly and a massage system" was invented by Zhubiao Shao (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a compound massage action massager, a massage assembly and a massage system, wherein the massager comprises a first bracket, a second bracket, a guide bracket and at least two guide rods therebetween, and a power mechanism slidably mounted on the guide rods and comprising an eccentric member and a rotating member, wherein the eccentric member has an eccentric ...