Surface cleaning apparatus | Patent Application Number 17130140

17130140
Not Appealed
Patent NumberUS 11096541 B2
Publication NumberUS 20210106199 A1
Filled DateDec 22, 2020
Priority DateOct 28, 2015
Inventor/ApplicantsYongsheng Liang
Jincheng Xia
Jianjun Ge
Kam Hoi Ma
Xin Chen
Zhenjiang Yin
ExaminesREDDING, DAVID A
Art Unit3723
Technology Center3700
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