David Ritchie

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Peachtree City, GA, US

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Patents Grantslast 30 patents

Information Patent Grant
Multiple-touch sensor
- Patent number 7,952,564
- Issue date May 31, 2011
- G. Samuel Hurst
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Multiple-touch sensor
- Publication number 20060197752
- Publication date Sep 7, 2006
- G. Samuel Hurst
- G06 - COMPUTING CALCULATING COUNTING