IP Library › Granted Patent US 6,691,587
Granted Patent Utility PCT National Stage
US 6,691,587 · Confirmation No. 1404

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2004-02-06 LET. Miscellaneous Incoming Letter 1 View
2004-01-07 NFEE Notice of Additional Fee Due 1 View
2003-12-05 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-03-12 LET. Miscellaneous Incoming Letter 28 View
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Quick Facts
Patent No.
US 6,691,587
App. No.
09/980,465
Filed
2002-03-12
Effective Filing
2001-11-30
Granted
2004-02-17
Art Unit
3682
PTA
-2 days