IP Library › Granted Patent US 6,636,228
Granted Patent Utility
US 6,636,228 · Confirmation No. 9300

METHOD OF ENSURING ADEQUATE CONTRAST OF GRAPHICAL USER INTERFACE ELEMENTS

Inventors: David Morton, Greg Lewis
Patented Case View Patent ↗ View Publication ↗
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2020-12-18 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2020-06-22 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
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2003-08-22 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-08-27 DRW Drawings-only black and white line drawings 13 View
2001-06-07 TRNA Transmittal of New Application 1 View
2001-06-07 SPEC Specification 25 View
2001-06-07 CLM Claims 13 View
2001-06-07 ABST Abstract 1 View
2001-06-07 DRW Drawings-only black and white line drawings 13 View
2001-06-07 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,636,228
App. No.
09/876,490
Filed
2001-06-07
Granted
2003-10-21
Pub. No.
US20020186222A1
Examiner
TRAN, TAM D
Art Unit
2676
PTA
-1 days