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Beam bender
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Patent number 3,952,572
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Issue date Apr 27, 1976
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Case Western Reserve University
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Harry W. Mergler
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3698228
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Patent number 3,698,228
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Issue date Oct 17, 1972
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2944582
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Patent number 2,944,582
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Issue date Jul 12, 1960
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2818903
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Patent number 2,818,903
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Issue date Jan 7, 1958
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2536643
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Patent number 2,536,643
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Issue date Jan 2, 1951
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2476595
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Patent number 2,476,595
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Issue date Jul 19, 1949
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2303059
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Patent number 2,303,059
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Issue date Nov 24, 1942
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2190423
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Patent number 2,190,423
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Issue date Feb 13, 1940
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2091749
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Patent number 2,091,749
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Issue date Aug 31, 1937
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2011967
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Patent number 2,011,967
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Issue date Aug 20, 1935
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1984145
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Patent number 1,984,145
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Issue date Dec 11, 1934
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1970694
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Patent number 1,970,694
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Issue date Aug 21, 1934
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1968010
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Patent number 1,968,010
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Issue date Jul 31, 1934
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1957395
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Patent number 1,957,395
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Issue date May 1, 1934
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1642657
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Patent number 1,642,657
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Issue date Sep 13, 1927
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...