U.S. Patent Number 6,258,117 Issued July 10, 2001
U.S. Patent Number 6,485,510 Issued November 26, 2002
U.S. Patent Number 6,699,280 Issued March 02, 2004
Australia Patent Number 772971 Issued August 26, 2004
United Kingdom Patent Number 1173109 Issued September 13, 2006
Spain Patent Number 1173109 Issued September 13, 2006
Netherlands Patent Number 1173109 Issued September 13, 2006
Italy Patent Number 1173109 Issued September 13, 2006
Germany Patent Number 1173109 Issued September 13, 2006
France Patent Number 1173109 Issued September 13, 2006
Europe Patent Number 1173109 Issued September 13, 2006
Canada Patent Number 2,370,184 Issued September 02, 2008
Japan Patent Number 4336049 Issued July 03, 2009
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