US2937421A
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Machine for making molds for centrifugal castings
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US2988789A
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Diaphragm molding machine having a movable head
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US2962776A
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Double diaphragm molding machine
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US2891789A
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Device for checking the movement of a machine part
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US2877521A
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Hollow core molding machine
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US2830339A
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Molding machine
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US2864136A
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Combination lateral and vertical pressure diaphragm molding machine
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US2812560A
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Removable diaphragm frame
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US2852820A
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Molding machine with roller strike off
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US2767445A
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Molding apparatus
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US2830338A
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Core box
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US2698976A
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Machine for making molds
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US2598621A
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Machine for blowing sand into molds
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US2490559A
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Core blowing machine
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CA571129A
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Molding apparatus
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CA516366A
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Machine for blowing sand into a mold
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CA518605A
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Machine for forming a mold
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