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Die body apparatus and methods
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Patent number 10,994,378
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Issue date May 4, 2021
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Corning Incorporated
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Timothy Michael Miller
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Extrusion-forming jig
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Patent number 4,834,640
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Issue date May 30, 1989
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NGK Industries, Ltd.
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Satoru Inoue
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B28 - WORKING CEMENT, CLAY, OR STONE
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Extrusion die manufacture
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Patent number 4,574,459
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Issue date Mar 11, 1986
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Corning Glass Works
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Donald C. Peters
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B28 - WORKING CEMENT, CLAY, OR STONE
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1816572
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Patent number 1,816,572
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Issue date Jul 28, 1931
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B28 - WORKING CEMENT, CLAY, OR STONE
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1775735
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Patent number 1,775,735
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Issue date Sep 16, 1930
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B28 - WORKING CEMENT, CLAY, OR STONE
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1694586
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Patent number 1,694,586
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Issue date Dec 11, 1928
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B28 - WORKING CEMENT, CLAY, OR STONE
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1569665
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Patent number 1,569,665
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Issue date Jan 12, 1926
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B28 - WORKING CEMENT, CLAY, OR STONE
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1518641
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Patent number 1,518,641
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Issue date Dec 9, 1924
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B28 - WORKING CEMENT, CLAY, OR STONE
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1508186
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Patent number 1,508,186
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Issue date Sep 9, 1924
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B28 - WORKING CEMENT, CLAY, OR STONE
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1497669
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Patent number 1,497,669
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Issue date Jun 17, 1924
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B28 - WORKING CEMENT, CLAY, OR STONE