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Sand buggy
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Patent number 6,471,225
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Issue date Oct 29, 2002
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Jenn Jianq Co., Ltd.
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Tai-Yang Luh
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B60 - VEHICLES IN GENERAL
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Differential gearing device
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Patent number 6,378,397
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Issue date Apr 30, 2002
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Jenn Jianq Co., Ltd.
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Tai-Yang Luh
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B60 - VEHICLES IN GENERAL
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Trailer fastening device
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Patent number 6,343,808
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Issue date Feb 5, 2002
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Lenn Jianq Co., Ltd.
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Tai-Yang Luh
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B60 - VEHICLES IN GENERAL
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Milometer device
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Patent number 6,286,618
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Issue date Sep 11, 2001
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Jenn Jianq Co. Ltd.
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Tai-Yang Luh
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G01 - MEASURING TESTING