US Patent Issued to SHANGHAI SHIFT ELECTRICS on Jan. 20 for "Oscillating toothbrush" (Chinese Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,527,393, issued on Jan. 20, was assigned to SHANGHAI SHIFT ELECTRICS Co. LTD. (Shanghai).

"Oscillating toothbrush" was invented by Zhenwu Xu (Shanghai) and Xiaoguo Dai (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application provides an oscillating toothbrush, including a brush head, a brush handle, an oscillating base mounted on the brush handle, and an oscillating rod that connects the brush head to the oscillating base, and the oscillating base includes a first hinge base hinged to the brush handle in a first direction, a second hinge base hinged to the brush handle in a second direction, and a fixing shaft mounted on the first hinge...