ALEXANDRIA, Va., March 17 -- United States Patent no. 12,575,664, issued on March 17, was assigned to Suzhou Rongxuan Electric Co. Ltd (Suzhou, China).
"Intelligent dual-mode electric floor brush" was invented by Tianbo Xing (Suzhou, China) and Jundong Xing (Suzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure discloses an intelligent dual-mode electric floor brush. The intelligent dual-mode electric floor brush includes a control circuit, where the control circuit is connected between a power supply and a floor brush motor, and the control circuit includes: a conversion unit that is connected to an output end of the power supply and an input end of the floor brush motor and co...