Multistage cyclone and surface cleaning apparatus having same | Patent Number 10405709
US 10405709 B2Filled DateDec 27, 2016
Priority DateDec 27, 2016
Publication DateJun 28, 2018
Expiration DateDec 26, 2036
Inventor/ApplicantsWayne Ernest Conrad
ExaminesSCRUGGS, ROBERT J
Art Unit3723
Technology Center3700
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