Description  Claims  Drawing  Cited references 

US7866384B   [0007] 
US7395881B   [0007] 
US20120061098A   [0007]  [0014] 
US8011429B   [0010] 
US2013248208A   [0010] 
FR2898635   [0012] 
US684732A   [0013] 
US4474235A   [0014] 
WO2010106312PCT   [0014] 
US20120222857A   [0014] 
US20090145596A   [0017] 
US7757782B   [0017]