IP Library › Granted Patent US 6,670,671
Granted Patent Utility
US 6,670,671 · Confirmation No. 3371

NONVOLATILE SEMICONDUCTOR MEMORY DEVICE AND MANUFACTURING METHOD THEREOF

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2015-12-21 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2003-11-06 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-11-06 LET. Miscellaneous Incoming Letter 2 View
2003-11-06 DRW Drawings-only black and white line drawings 2 View
2003-09-04 LET. Miscellaneous Incoming Letter 2 View
2003-09-04 DRW Drawings-only black and white line drawings 1 View
2002-06-11 TRNA Transmittal of New Application 4 View
2002-06-11 SPEC Specification 42 View
2002-06-11 CLM Claims 14 View
2002-06-11 ABST Abstract 1 View
2002-06-11 DRW Drawings-only black and white line drawings 25 View
2002-06-11 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,670,671
App. No.
10/166,145
Filed
2002-06-11
Granted
2003-12-30
Pub. No.
US20020190306A1
Art Unit
2811
PTA
-91 days