David W. Lum

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Pleasanton, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and methods to achieve a variable color pixel border on a...
- Patent number 8,237,718
- Issue date Aug 7, 2012
- Hewlett-Packard Development Company, L.P.
- David W. Lum
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Apparatus and methods to achieve a variable color pixel border on a...
- Patent number 7,724,270
- Issue date May 25, 2010
- Palm, Inc.
- David W. Lum
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Controllable pixel border for a negative mode passive matrix displa...
- Patent number 7,425,970
- Issue date Sep 16, 2008
- Palm, Inc.
- Shawn R. Gettemy
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Apparatus and methods to achieve a variable color pixel border on a...
- Patent number 6,831,662
- Issue date Dec 14, 2004
- palmOne, Inc.
- David W. Lum
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS AND METHODS TO ACHIEVE A VARIABLE COLOR PIXEL BORDER ON A...
- Publication number 20110316867
- Publication date Dec 29, 2011
- PALM, INC.
- David W. Lum
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS