ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,440, issued on Nov. 11.
"Portable air pump" was invented by Scott Wu (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A portable air pump includes a pumping assembly and an inflating assembly. The pumping assembly includes an inner cylinder and an outer cylinder. The inner cylinder is provided with a first end and a second end, and the outer cylinder is sleeved onto an outer periphery of the inner cylinder from the first end. The inflating assembly includes a sliding member, an inflating tube, and a pivoting member. The sliding member is disposed in the inner cylinder. The inflating tube has a proximal end connected with the pivoting...