Cleaning device for cleaning a surface comprising a brush and a squeegee element | Patent Number 09173536
US 09173536 B2Filled DateAug 2, 2012
Priority DateAug 23, 2011
Publication DateJul 10, 2014
Expiration DateAug 22, 2031
Inventor/ApplicantsPieter Kingma
Johannes Tseard Van Der Kooi
Britt Roumen
Johannes Tseard Van Der Kooi
Britt Roumen
ExaminesNGUYEN, DUNG V
Art Unit3723
Technology Center3700
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