Pliable-wall air ducts with internal expanding structures | Patent Publication Number 20140000744

US 20140000744 A1
Patent NumberUS 09605864 B2
Application Number13879759
Filled DateNov 3, 2011
Priority DateNov 19, 2010
Publication DateJan 2, 2014
Inventor/ApplicantsCary Pinkalla
Kevin J. Gebke
Frank Heim
Nicholas L. Kaufmann
William A. Niehaus
Nicholas L. Kaufman
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