ALEXANDRIA, Va., June 16 -- United States Patent no. D1,075,978, issued on May 20, was assigned to Topgolf Callaway Brands Corp. (Carlsbad, Calif.).

"Putter head" was invented by Luke Williams (La Jolla, Calif.), Sean Toulon (Vista, Calif.), Eric Stubben (Carlsbad, Calif.), Patrick Dawson (Poway, Calif.) and Keith Kingston (Carlsbad, Calif.).

The patent was filed on Dec. 21, 2023, under Application No. D/922,368.

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