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Data current through January 13, 2009.

Enter the patent numbers you are searching for in the box below.

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All patent numbers must be seven characters in length, excluding commas, which are optional. Examples:
Utility -- 5,146,634 6923014 0000001
Design -- D339,456 D321987 D000152
Plant -- PP08,901 PP07514 PP00003
Reissue -- RE35,312 RE12345 RE00007
Defensive Publication -- T109,201 T855019 T100001
Statutory Invention Registration -- H001,523 H001234 H000001
Re-examination -- RX29,194 RE29183 RE00125
Additional Improvement -- AI00,002 AI000318 AI00007