Description  Claims  Drawing  Cited references 

US5164796A   [0003]  [0053] 
US2005084956A   [0003]  [0010] 
DE19925453   [0010]  [0010] 
DE4406145   [0010] 
US5601143A   [0010]  [0010] 
US2002047311A   [0010] 
US5360741A   [0010]