ALEXANDRIA, Va., July 3 -- United States Patent no. D1,081,909, issued on July 1, was assigned to Advanced Drainage Systems Inc. (Hilliard, Ohio).

"Weir" was invented by Cal Pitruzzello (Middlefield, Conn.), Paul Holbrook (Old Saybrook, Conn.), Adam Miller (Haddam, Conn.), Bryan Coppes (Old Saybrook, Conn.) and Samuel Lee (Spring, Texas).

The patent was filed on Jan. 31, 2023, under Application No. D/870,612.

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