Richard B. Dingwall

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Rochester, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Color liquid crystal display with dead front appearance having opaq...
- Patent number 5,307,188
- Issue date Apr 26, 1994
- Xerox Corporation
- Richard B. Dingwall
- G02 - OPTICS
Information Patent Grant
Method of making color liquid crystal display with dead front appea...
- Patent number 5,220,442
- Issue date Jun 15, 1993
- Xerox Corporation
- Richard B. Dingwall
- G02 - OPTICS