ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,261, issued on Sept. 16, was assigned to Nanjing Chervon Industry Co. Ltd. (Nanjing, China).
"Power tool" was invented by Hanqing Zheng (Nanjing, China), Xiangqing Fu (Nanjing, China), Liang Chen (Nanjing, China) and Chunrui Li (Nanjing, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power tool includes an output assembly and a battery pack. The output assembly is disposed at an end portion of a first handle, the output assembly includes at least two output units spaced apart and used for connecting working accessories, and the output assembly is rotatable about a shift axis to shift an output unit among the at least two output units to a w...