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US Patent No.7,303,137 B2
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Australia Patent No.2006323227
South Africa Patent 2009/09/30
South Africa Patent 2009/04/29
Canada Patent, No.2535102
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Vietnam Patent No.10397
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European Union Patent, No.1958126
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Israel patent, No.173376
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Korea Patent, No.10-0732302
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Malaysia Patent, MY-140386-A
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Philippines Patent, No.1-2008-501251
Philippines Patent, No.1-2008-501252
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Vietnam Patent No.8363
Vietnam Patent No.9079
India Patent, No.259782