IP Library Granted Patent US 6,566,989
Granted Patent Utility PCT National Stage
US 6,566,989 · Confirmation No. 6042

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2001-10-18 LET. Miscellaneous Incoming Letter 24 View
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Quick Facts
Patent No.
US 6,566,989
App. No.
09/890,123
Filed
2001-10-18
Effective Filing
2001-07-27
Granted
2003-05-20
Art Unit
2832
PTA
0 days