ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,579, issued on March 31, was assigned to UNIK WORLD INDUSTRIAL Co. LTD. (Tainan City, Taiwan).

"Portable blowing and suction air compressor" was invented by Wen San Chou (Tainan City, Taiwan) and Cheng Hsien Chou (Tainan City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A portable blowing and suction air compressor including a motor, a piston having first and second ends opposite to each other, a sealing member, a cylinder, and first and second check valves is disclosed. The first end is connected to the motor, the sealing member is sheathed onto the second end, and the second end is movably coupled to an inner wall of the cylinder. The s...