Description  Claims  Drawing  Cited references 

US62128791   [0001] 
WO2016046160A1   [0002] 
DE102012016737A1   [0003] 
US5323882A   [0013] 
USRE30255E   [0013] 
US20130192938A   [0013] 
US7784591B   [0013]