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Withdrawn Patents
Grant Date	Patent Number
2001-07-31	6,266,845
2001-07-31	6,266,982
2001-07-31	6,267,396
2001-07-31	6,267,833
2001-07-31	6,268,023
2001-07-31	6,269,024
2001-07-31	6,269,091