ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,740,679, issued on Sept. 22.
"Airbrush vacuum kit" was invented by Chin-Nan Chen (Keelung City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An airbrush vacuum kit includes a barrel assembling tube, a vacuum adapter tube and a dust collector. The barrel assembling tube includes an assembling-tube body and an inclined extension tube. The assembling-tube body extends from a first assembling port to a second assembling port along a first direction. The first assembling port is to assemble a barrel of a fluid spray gun. The inclined extension tube protrudes from the adapter-tube body along a second direction oblique to the first direction. The vac...