Description     Claims  

US20020086039A   [0002] 
US5814304A   [0002] 
US5350622A   [0003]  [0029]  [0029] 
US6818150B   [0004] 
US2005092963A   [0004] 
US5859145A   [0031] 
WO9948963A   [0032] 
US6255248B   [0035] 
US6214254B   [0036] 
US5941037A   [0037] 
US5798055A   [0037] 
US5977212A   [0037]