ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,620, issued on Sept. 30, was assigned to Fulian Yuzhan Precision Technology Co. Ltd. (Shenzhen, China).
"Surface processing device" was invented by Feng Zhang (Shenzhen, China), Min Li (Shenzhen, China), Xiao-Ming Xu (Shenzhen, China), Bo Long (Shenzhen, China) and Wen-Chao Huang (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A surface processing device includes a machining mechanism and a driving mechanism driving the machining mechanism to polish a workpiece. The machining mechanism includes a machining assembly and a first transmission shaft eccentrically coupled with the machining assembly at a first end. The first transmission...