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Grant DatePatent Number
2002-12-03RE37,917
2002-12-036,487,993
2002-12-036,488,143
2002-12-036,488,830
2002-12-036,488,843
2002-12-036,488,911
2002-12-036,489,630
2002-12-036,489,633
2002-12-036,490,338