Description  Claims  Drawing  Cited references 

US6958363B   [0004] 
US7214720B   [0008] 
US6696501B   [0012] 
US2009186952A   [0015]  [0015] 
CA2751615   [0016]  [0016]  [0016] 
US7776114B   [0017] 
US6765025B   [0017] 
US6512018B   [0017] 
US6147126A   [0017]  [0017] 
US6133328A   [0017] 
US7855235B   [0017] 
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US7004985B   [0017] 
US6048449A   [0017] 
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US6872753B   [0017] 
US20100113624A   [0017] 
US20040181313A   [0017] 
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Sci. Tech J.   [0035]