IP Library › Granted Patent US 6,686,631
Granted Patent Utility
US 6,686,631 · Confirmation No. 4395

NEGATIVE DIFFERENTIAL RESISTANCE (NDR) DEVICE AND METHOD OF OPERATING SAME

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2006-08-08 C.AD Change of Address 2 View
2006-08-08 N417 Electronic Filing System Acknowledgment Receipt 2 View
2003-12-11 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-12-10 TRNA Transmittal of New Application 2 View
2002-12-10 A.PE Preliminary Amendment 17 View
2002-12-10 SPEC Specification 23 View
2002-12-10 CLM Claims 6 View
2002-12-10 ABST Abstract 1 View
2002-12-10 DRW Drawings-only black and white line drawings 4 View
2002-12-10 OATH Oath or Declaration filed 1 View
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Quick Facts
Patent No.
US 6,686,631
App. No.
10/315,741
Filed
2002-12-10
Granted
2004-02-03
Art Unit
2815
PTA
-2 days