IP Library › Granted Patent US 6,471,639
Granted Patent Utility
US 6,471,639 · Confirmation No. 5410

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2018-05-01 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
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2001-08-17 TRNA Transmittal of New Application 2 View
2001-08-17 SPEC Specification 18 View
2001-08-17 CLM Claims 3 View
2001-08-17 ABST Abstract 1 View
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2001-08-17 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,471,639
App. No.
09/931,970
Filed
2001-08-17
Granted
2002-10-29
Pub. No.
US20010056222A1
Art Unit
3739
PTA
-14 days