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Withdrawn Patents
Grant DatePatent Number
1999-08-31D413,256
1999-08-315,944,176
1999-08-315,944,301
1999-08-315,944,856
1999-08-315,945,148
1999-08-315,945,604
1999-08-315,945,782
1999-08-315,946,197
1999-08-315,946,335