Description     Claims     Drawing  

US8522371B2   [0003] 
WO2008017114A1   [0004] 
US577021A   [0005] 
FR2936000A1   [0006] 
WO9920851A   [0007] 
US20120061406A1   [0008] 
US8201282B2   [0009] 
US5666674A   [0010] 
US2349015A   [0011]