Digital pulse oximeter with automatic direction-changing function | Patent Publication Number 20140088387

US 20140088387 A1
Patent NumberUS 09474477 B2
Application Number13625805
Filled DateSep 24, 2012
Priority DateSep 24, 2012
Publication DateMar 27, 2014
Inventor/ApplicantsYunlong Xu
Yatao Zhao
Kun Hu
Zhichao Song
Jinling Zhang
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