ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,691, issued on Jan. 27, was assigned to A-Paint Specialty Inc. (Cranberry Township, Pa.).
"Pneumatic material spray gun" was invented by Randal W. Hanson (Seven Fields, Pa.), Michael F. Takemura (Bellingham, Wash.), Christopher R. Hamlin (Seattle), Robert G. Carrasca (Seattle), Jeffrey R. Werring (Cheswick, Pa.) and Kathryn R. Crabb (Vancouver, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Pneumatic spray guns (10) for applying sprayable materials (M) to various surfaces are disclosed. During use of the pneumatic spray guns (10), a tube (T) of flowable texture material (M) to be sprayed is loaded into a pressure canister (12) of the spray gun...