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Positioning device
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Patent number 4,829,767
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Issue date May 16, 1989
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John Mecca
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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Variable blind
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Patent number 4,791,011
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Issue date Dec 13, 1988
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John Mecca
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B32 - LAYERED PRODUCTS
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Antiballistic missile targeter
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Patent number 4,742,680
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Issue date May 10, 1988
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John Mecca
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR