Abstract     Description     Claims     Drawing  

US8260421B   [0003] 
US8617228B   [0004] 
US6772008B   [0005] 
US8996108B   [0006] 
US20130109994A   [0007] 
US20150057563A   [0008] 
US9031651B   [0009] 
US20100241113A   [0010] 
US8456182B   [0011]  [0036] 
US20150141798A   [0036]