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Strap compass case
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Patent number D322412
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Issue date Dec 17, 1991
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Sun Company, Inc.
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Gregory L. Cross
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D10 - Measuring, testing, or signalling instruments
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Eyeglass sun visor
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Patent number D320609
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Issue date Oct 8, 1991
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Sun Company, Inc.
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Gregory L. Cross
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D16 - Photography and optical equipment
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Line level
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Patent number D288671
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Issue date Mar 10, 1987
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Gregory L. Cross
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D10 - Measuring, testing, or signalling instruments
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Leveling gage
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Patent number D280186
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Issue date Aug 20, 1985
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Gregory L. Cross
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D10 - Measuring, testing, or signalling instruments
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