ALEXANDRIA, Va., June 9 -- United States Patent no. D1,129,638, issued on June 9, was assigned to Broan-NuTone LLC (Hartford, Wis.).

"Ventilation grille" was invented by Anup Nikam (Hartford, Wis.), Thomas Dare (Hartford, Wis.), James Bohn (Hartford, Wis.) and Santosh Narasimhan (Hartford, Wis.).

The patent was filed on June 27, 2023, under Application No. D/878,710.

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