ALEXANDRIA, Va., June 18 -- United States Patent no. D1,078,926, issued on June 10, was assigned to W.M. Barr & Co. Inc. (Memphis, Tenn.).
"Swirl chamber" was invented by Kevin Andrew Kavchok (Huntersville, N.C.), Matthew Michael Petkus (Memphis, Tenn.), Alana Byrd (Memphis, Tenn.) and Rachel Ann Farmer (Memphis, Tenn.).
The patent was filed on Oct. 20, 2023, under Application No. D/905,467.
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