US Patents #7,644,900 and #8,061,669
Australia Patent #2,009,101,003
Japan Patent #4,666,416
Canada #2,660,819
China Patent #965474
Hong Kong #09112078.1
US Patents #7,644,900 and #8,061,669
Australia Patent #2,009,101,003
Japan Patent #4,666,416
Canada #2,660,819
China Patent #965474
Hong Kong #09112078.1