Tan Yuen Hung

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Taichung, TW

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Patents Grantslast 30 patents

Information Patent Grant
Light sensitive dimmer switch circuit
- Patent number 6,114,813
- Issue date Sep 5, 2000
- Holmes Products Corp.
- David Lo
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Light sensitive dimmer switch circuit
- Patent number 5,789,869
- Issue date Aug 4, 1998
- Holmes Products Corporation
- David Lo
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR