William Villafana

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Davie, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for marking text on a display screen in a pers...
- Patent number 5,815,142
- Issue date Sep 29, 1998
- International Business Machines Corporation
- David Joseph Allard
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Personal communicator having improved zoom and pan functions for ed...
- Patent number 5,615,384
- Issue date Mar 25, 1997
- International Business Machines Corporation
- David J. Allard
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Selective reconfiguration method and apparatus in a multiple applic...
- Patent number 5,568,536
- Issue date Oct 22, 1996
- International Business Machines Corporation
- Byron K. Tiller
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Personal communicator having improved contrast control for a liquid...
- Patent number 5,422,656
- Issue date Jun 6, 1995
- International Business Machines Corp.
- David J. Allard
- G06 - COMPUTING CALCULATING COUNTING