Sub-plenum directional airfoil
Description
Claims
The ornamental design for a sub-plenum directional airfoil, as shown, and described.
Referenced Cited
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Patent History
Patent number: D746429
Type: Grant
Filed: Oct 22, 2013
Date of Patent: Dec 29, 2015
Inventor: Gary Meyer (Golden, CO)
Primary Examiner: David Muller
Assistant Examiner: Nathan Johnston
Application Number: 29/470,462
Type: Grant
Filed: Oct 22, 2013
Date of Patent: Dec 29, 2015
Inventor: Gary Meyer (Golden, CO)
Primary Examiner: David Muller
Assistant Examiner: Nathan Johnston
Application Number: 29/470,462
Classifications
Current U.S. Class:
Flow Director (29) (D23/387)