Key press disambiguation using a keypad of multidirectional keys | Patent Publication Number 20030107555

US 20030107555 A1
Patent NumberUS 07075520 B2
Application Number10020572
Filled DateDec 12, 2001
Priority DateDec 12, 2001
Publication DateJun 12, 2003
Inventor/ApplicantsRoland E. Williams
Roland E. Williams
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