US-Patents:
6,629,084 6,698,953 6,733,194 6,739,245 6,953,234 7,043,631 7,343,359 7,437,756 7,606,264 7,610,501 7,694,010 7,724,905 7,996,884 8,091,979 8,682,801 8,131,959 8,562,097 8,136,813 8,136,813 8,162,458 8,933,591 8,668,329 8,702,229 689,130 689,131 689,132 689,133 4,589,089
US-Patents:
6,629,084 6,698,953 6,733,194 6,739,245 6,953,234 7,043,631 7,343,359 7,437,756 7,606,264 7,610,501 7,694,010 7,724,905 7,996,884 8,091,979 8,682,801 8,131,959 8,562,097 8,136,813 8,136,813 8,162,458 8,933,591 8,668,329 8,702,229 689,130 689,131 689,132 689,133 4,589,089