Inventor
VILLAFANA WILLIAM
US4 patents
Patents
4 patentsUS5615384AMar 25, 1997
Personal communicator having improved zoom and pan functions for editing information on touch sensitive display
IBM670 citations98
US5422656AJun 6, 1995
Personal communicator having improved contrast control for a liquid crystal, touch sensitive display
IBM537 citations97
US5568536AOct 22, 1996
Selective reconfiguration method and apparatus in a multiple application personal communications device
IBM353 citations95
US5815142ASep 29, 1998
Apparatus and method for marking text on a display screen in a personal communications device
IBM372 citations94