IP Library Granted Patent US 6,459,640
Granted Patent Utility
US 6,459,640 · Confirmation No. 2704

NONVOLATILE SEMICONDUCTOR MEMORY AND AUTOMATIC ERASING/WRITING METHOD THEREOF

⬇ PDF
Code Description Pages PDF
2001-08-17 TRNA Transmittal of New Application 2 View
2001-08-17 SPEC Specification 50 View
2001-08-17 CLM Claims 4 View
2001-08-17 ABST Abstract 1 View
2001-08-17 DRW Drawings-only black and white line drawings 19 View
2001-08-17 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,459,640
App. No.
09/931,243
Filed
2001-08-17
Granted
2002-10-01
Pub. No.
US20020101764A1
Art Unit
2818
PTA
0 days