ALEXANDRIA, Va., June 9 -- United States Patent no. D1,129,617, issued on June 9, was assigned to Advanced Drainage Systems Inc. (Hilliard, Ohio).

"Flared end ramp with ribs" was invented by Gregory Spires (Powell, Ohio), Gregory Baryluk (Columbus, Ohio), Brian Rustia (Fairfax Station, Va.) and Irena Makarchuk (Fairfield, Conn.).

The patent was filed on Jan. 18, 2024, under Application No. D/924,405.

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