Ventilation grille
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The broken lines illustrate portions of the ventilation grille that form no part of the claimed design.
The regularly spaced and short vertical lines on the sides of the ventilation grille are surface shading and are not surface ornamentation.
Claims
The ornamental design for a ventilation grille, as shown and described.
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Type: Grant
Filed: Nov 28, 2018
Date of Patent: Nov 17, 2020
Assignee: Broan-NuTone LLC (Hartford, WI)
Inventors: Benjamin Puffer (Hartford, WI), Anup Nikam (Hartford, WI), Kwame Appiahene-Agyei (Austin, TX), David Jennings Lucas (Austin, TX)
Primary Examiner: Cathron C Brooks
Assistant Examiner: Sharon S Oum
Application Number: 29/671,510