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Cam actuated ejector for a shell press
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Patent number 4,627,264
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Issue date Dec 9, 1986
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The Minster Machine Company
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Arthur L. Grow
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Cam actuated ejector for a shell press
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Patent number 4,513,600
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Issue date Apr 30, 1985
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The Minster Machine Company
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Arthur L. Grow
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Double action press having floating punch
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Patent number 4,442,691
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Issue date Apr 17, 1984
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The Minster Machine Company
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Arthur L. Grow
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Simplified rolling bolster system for press
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Patent number 3,986,448
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Issue date Oct 19, 1976
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The Minster Machine Company
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Donald N. Seyfried
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...