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Emergency locator transmitter
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Patent number D331717
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Issue date Dec 15, 1992
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Litton Systems, Inc.
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David P. Cardamone
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D10 - Measuring, testing, or signalling instruments
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Transmitter buoy
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Patent number D319799
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Issue date Sep 10, 1991
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Litton Systems, Inc.
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Thomas R. Krishan
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D10 - Measuring, testing, or signalling instruments
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Transmitter buoy
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Patent number D319407
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Issue date Aug 27, 1991
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Litton Systems, Inc.
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Albert C. Paulovitz
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D10 - Measuring, testing, or signalling instruments
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