ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,377,517, issued on Aug. 5, was assigned to THE KINGCRAFT MACHINERY COMPANY Ltd. (Taichung, Taiwan).
"Sander with angular adjustability" was invented by Calvin Chou (Taichung, Taiwan) and Ming-Ta Chou (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sander with angular adjustability includes a main body, a workbench, a grinding shaft, a driver, and an angle-adjusting device. The workbench is mounted on a top of the main body. The grinding shaft is rotatably installed on the main body and exposed outside the workbench. The driver is installed in the main body, for driving the grinding shaft to rotate. The angle-adjusting device is configu...