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CHAPPLES JOHN
GB
3 patents
Top patents
by PatentIndex Score
US8741120B2
Jun 3, 2014
Humidity control apparatus for electrochemical sensors
CHAPPLES JOHN
4 citations
70
US8845871B2
Sep 30, 2014
Oxygen sensors
CHAPPLES JOHN
0 citations
44
US8252158B2
Aug 28, 2012
Oxygen sensors
CHAPPLES JOHN
1 citations
44