Surface cleaning apparatus | Patent Number 11096541
US 11096541 B2Filled DateDec 22, 2020
Priority DateOct 28, 2015
Publication DateApr 15, 2021
Expiration DateOct 27, 2035
Inventor/ApplicantsKam Hoi Ma
Xin Chen
Jincheng Xia
Zhenjiang Yin
Jianjun Ge
Yongsheng Liang
Xin Chen
Jincheng Xia
Zhenjiang Yin
Jianjun Ge
Yongsheng Liang
ExaminesREDDING, DAVID A
Art Unit3723
Technology Center3700
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