Filter unit | Patent Number 09937451

US 09937451 B2
Application Number14529353
Publication NumberUS 20150114895 A1
Pendency3 years, 5 months, 12 days
Filled DateOct 31, 2014
Priority DateSep 15, 2011
Publication DateApr 30, 2015
Expiration DateSep 14, 2031
Inventor/ApplicantsChristopher A. Kruckenberg
Jeffrey A. Spindler
John W. Morrison
ExaminesKURTZ, BENJAMIN M
Art Unit1778
Technology Center1700
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