Description  Claims  Drawing  Cited references 

US7649727B   [0005]  [0036]  [0037]  [0046] 
US7639907B   [0006] 
US7864500B   [0006] 
US7973647B   [0006] 
US8041221B   [0006] 
US8148921B   [0006] 
US8170722B   [0006]  [0205] 
US8175463B   [0006] 
US8269376B   [0006]  [0160]  [0180] 
US8331794B   [0006] 
US8331795B   [0006] 
US8340527B   [0006] 
US8344668B   [0006] 
US8384249B   [0006]  [0047] 
US8442792B   [0006] 
US20130183043A   [0006] 
US2010265017A1   [0007] 
US5923363A   [0011] 
US6603842B   [0011] 
US6940957B   [0011] 
US7461012B   [0011] 
US8117076B   [0011] 
US8489469B   [0011] 
US04587713   [0015] 
US13349939B   [0069] 
US8444124B   [0146]