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
Original AssigneeRitehite Holding Corporation
Current AssigneeRitehite Holding Corporation
Inventor/ApplicantsNicholas L. Kaufman
Nicholas L. Kaufmann
Cary Pinkalla
Kevin J. Gebke
Frank Heim
William A. Niehaus
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