IP Library › Granted Patent US 6,639,291
Granted Patent Utility
US 6,639,291 · Confirmation No. 2870

SPIN DEPENDENT TUNNELING BARRIERS DOPED WITH MAGNETIC PARTICLES

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2006-06-14 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2003-10-16 IDS Information Disclosure Statement (IDS) Form (SB08) 4 View
2003-08-08 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-02-06 TRNA Transmittal of New Application 2 View
2002-02-06 SPEC Specification 15 View
2002-02-06 CLM Claims 5 View
2002-02-06 ABST Abstract 1 View
2002-02-06 DRW Drawings-only black and white line drawings 3 View
2002-02-06 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,639,291
App. No.
10/071,796
Filed
2002-02-06
Granted
2003-10-28
Art Unit
2815
PTA
-2 days