Control knob
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Description
The broken lines shown in the figures are for illustrative purposes only and form no part of the claimed invention.
Claims
The ornamental design for a control knob, as shown and described.
Patent History
Patent number: D675655
Type: Grant
Filed: May 26, 2011
Date of Patent: Feb 5, 2013
Assignee: Lincoln Global, Inc. (City of Industry, CA)
Inventor: Jason Karl Leach (Cleveland, OH)
Primary Examiner: Patricia Palasik
Application Number: 29/392,804
Type: Grant
Filed: May 26, 2011
Date of Patent: Feb 5, 2013
Assignee: Lincoln Global, Inc. (City of Industry, CA)
Inventor: Jason Karl Leach (Cleveland, OH)
Primary Examiner: Patricia Palasik
Application Number: 29/392,804
Classifications
Current U.S. Class:
Heat Treatment, Welding Or Brazing (D15/144)