ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,394, issued on Jan. 13, was assigned to Broan-NuTone LLC (Hartford, Wis.).
"Sound reduction ventilation assembly" was invented by Patrick Bouche (Sherbrooke, Canada), Raymond Panneton (Sherbrooke, Canada), Brent Lillesand (Milwaukee), Jean-Bernard Piaud (Drummondville, Canada), Rick Sinur (Hartford, Wis.), Santosh Narasimhan (Port Washington, Wis.) and Marco Lizotte (Saint-Louis-de-Blandford, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A ventilation assembly and methods of forming the same includes a ventilation grille having reducing acoustic bodies configured to attenuate sound of the ventilation assembly. Arrangement of the acoustic bod...