David Y. Chen

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Louisville, KY, US

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Patents Grantslast 30 patents

Information Patent Grant
Bar graph type touch switch and display device
- Patent number 4,121,204
- Issue date Oct 17, 1978
- General Electric Company
- Stanley B. Welch
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Food thermometer for microwave oven
- Patent number 3,975,720
- Issue date Aug 17, 1976
- General Electric Company
- David Y. Chen
- F24 - HEATING RANGES VENTILATING