Tony Chen

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Keelung, TW

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Patents Grantslast 30 patents

Information Patent Grant
Electric torch
- Patent number D510450
- Issue date Oct 4, 2005
- Quarton, Inc.
- Tony Chen
- D26 - Lighting
Information Patent Grant
Electric torch
- Patent number D498552
- Issue date Nov 16, 2004
- Quarton, Inc.
- Tony Chen
- D26 - Lighting