ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,784, issued on Sept. 9, was assigned to ZHONG SHAN SMART PLASTIC MANUFACTURING LTD. (Zhongshan, China).
"Dual-purpose air pump" was invented by Zelong Jiang (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A dual-purpose air pump comprised a pump body, a housing which is provided with an accommodating cavity receiving the pump body, a bottom of the housing has an air inlet and outlet, the pump body is rotationally mated with the housing, the pump body has a twirling part protruding from the housing; an outer side wall of the pump housing is provided with a limiting table, the housing is provided with a locking device which can move ...