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Contour cementing machine
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Patent number 4,407,223
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Issue date Oct 4, 1983
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Boston Machine Works Company
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Robert W. Morin
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A43 - FOOTWEAR
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Solvent type cementer
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Patent number 4,300,472
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Issue date Nov 17, 1981
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Boston Machine Works Company
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Robert W. Morin
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B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
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Tape applying machine
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Patent number 4,288,280
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Issue date Sep 8, 1981
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Boston Machine Works Company
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Robert W. Morin
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL