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Remote control unit
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Patent number D393629
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Issue date Apr 21, 1998
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Capital Prospect Ltd.
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Philip Y. W. Tsui
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D13 - Equipment for production, distribution, or transformation of energy
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Receiver case
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Patent number D382251
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Issue date Aug 12, 1997
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Capital Prospect Ltd.
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Philip Y. W. Tsui
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D13 - Equipment for production, distribution, or transformation of energy
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Keychain transmitter case
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Patent number D380895
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Issue date Jul 15, 1997
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Capital Prospect Ltd.
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Philip Y. W. Tsui
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D03 - Travel goods and personal belongings
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Remote control unit
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Patent number D357919
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Issue date May 2, 1995
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Capital Prospect Ltd.
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Philip Tsui
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D14 - Recording, communication, or information retrieval equipment