ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,420, issued on Oct. 14, was assigned to SHENZHEN BREO TECHNOLOGY Co. LTD. (Shenzhen, China).
"Hand-held muscle relaxation device having a power supply arranged transversely" was invented by Shuguang Cao (Guangdong, China) and Yong Wan (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hand-held muscle relaxation device includes a power supply arranged transversely which includes a housing; a power supply; a motor; a massage head module and a power conversion mechanism. The power conversion mechanism is mounted inside the housing and the power supply is electrically connected with the motor. The motor is provided with a first rotation...