Audio speaker
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The broken lines in the drawings are used to illustrate unclaimed features as well as the density and size of the small circles on the front and back faces of the Invention. The broken lines, unclaimed features, and small circles they depict form no part of the claimed design.
Claims
The ornamental design for an audio speaker, substantially as shown and described.
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Type: Grant
Filed: Sep 11, 2017
Date of Patent: May 12, 2020
Assignee: Clean Energy Labs, LLC (Austin, TX)
Inventors: David Lucas (Austin, TX), Joseph F. Pinkerton (Austin, TX), William Martin Lackowski (Austin, TX), David A. Badger (Lago Vista, TX)
Primary Examiner: T Chase Nelson
Assistant Examiner: Jonathan J. Han
Application Number: 29/617,037