Description  Claims  Drawing  Cited references 

US5533878A   [0013] 
US7654127B2   [0014] 
US3826593A   [0015] 
US5470211A   [0016] 
US20060245964A1   [0017] 
US9162025B2   [0089] 
US6656159B2   [0089] 
EP2756863A1   [0090] 
US20140207118A1   [0090]