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Grant DatePatent Number
2002-08-136,431,179
2002-08-136,431,571
2002-08-136,432,079
2002-08-136,432,086
2002-08-136,432,414
2002-08-136,432,647
2002-08-136,433,191
2002-08-136,433,454
2002-08-136,433,475
2002-08-136,433,682
2002-08-136,434,427
2002-08-136,434,483
2002-08-136,434,497