ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,438, issued on Dec. 2, was assigned to W.M. BARR & COMPANY INC. (Memphis, Tenn.).
"Spray wand" was invented by Kevin Andrew Kavchok (Huntersville, N.C.), Matthew Michael Petkus (Memphis, Tenn.), Alana Byrd (Memphis, Tenn.) and Rachel Ann Farmer (Memphis, Tenn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A spray wand includes: a hollow tubular main body; a nozzle mounted on the output end of the main body; and a valve assembly configured to mount the input end of the main body. The valve assembly includes: a housing having an input conduit for coupling the valve assembly with a fluid source; a sealing piston biased within the input conduit toward a...