ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,670, issued on June 23, was assigned to ZHEJIANG PRULDE ELECTRIC APPLIANCE Co. LTD. (Jinhua, China).
"Spray gun" was invented by Weiming Yang (Jinhua City, China) and Ting Han (Jinhua City, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A spray gun includes a casing, a cup, a spray nozzle, and a pump. The pump is provided in the casing and has a spray chamber in communication with the cup. The cup includes a cup housing and a flexible cup body provided in the cup housing. A venting structure communicating the cup with an outer environment is provided on the pump. The cup housing is provided with a hollow portion, such that the flexible cup bod...