IP Library › Granted Patent US 6,642,877
Granted Patent Utility
US 6,642,877 · Confirmation No. 2403

METHOD OF FORMING D/A RESISTOR STRINGS WITH CROSS COUPLING SWITCHES

Inventor: Ka Y. Leung
Patented Case View Patent ↗ View Publication ↗
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2006-10-18 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2003-08-28 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-08-13 TRNA Transmittal of New Application 2 View
2002-08-13 SPEC Specification 24 View
2002-08-13 CLM Claims 6 View
2002-08-13 ABST Abstract 1 View
2002-08-13 DRW Drawings-only black and white line drawings 4 View
2002-08-13 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,642,877
App. No.
10/217,659
Filed
2002-08-13
Granted
2003-11-04
Pub. No.
US20020186158A1
Art Unit
2819
PTA
-68 days