Dan Praisler

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Thornhill, CA

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Patents Grantslast 30 patents

Information Patent Grant
Touch/proximity-sensing using reflective optical sensor and a light...
- Patent number 7,485,843
- Issue date Feb 3, 2009
- Masstech Group Inc.
- Sudy Shen
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Touch/proximity-sensing using reflective optical sensor and a light...
- Publication number 20070228263
- Publication date Oct 4, 2007
- Masstech Group Inc.
- Sudy Shen
- H03 - BASIC ELECTRONIC CIRCUITRY