Control knob
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The second embodiment is illustrated with portion in grey shade to indicate a contrasting surface appearance; no claim is made to a specific color.
Claims
The ornamental design for a control knob, as shown and described.
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Type: Grant
Filed: Jan 28, 2015
Date of Patent: Aug 1, 2017
Assignee: HESTAN COMMERCIAL CORPORATION (Anaheim, CA)
Inventor: Ray Nilssen (Fairhope, AL)
Primary Examiner: Derrick Holland
Assistant Examiner: Lauren Calve
Application Number: 29/515,906