The products that are shown are protected under license by one or more of the following patents: U.S. Patent Numbers 4896470, 5072558, 5436425, 5440842, 5474335, 5701707, 5720139, 5749185, 5755065, 5762300, 5770286, 5775849, 5788398, 5839235, 5897102, 5954373, 6012867, 6017165, 6023894, 6027278, 6040546, 6098356, 6151850, 6176051, 6234709, 6380508, 6381912, 6393781, 6513287, 6550816, 6631596, 6659135, 6666233, 6752435, 6758023, 6761002, 6764105, 6817148, 6834890, 6843031, 6874821, 6889714, 7267375, 7273238, 7621103, 7686347, 7695021, 8016326; Design Patent Numbers 400670, 492987, 492988, 2103479; and other U.S. and Foreign Patents Pending. |