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Method for purifying silicon
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Patent number 5,972,107
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Issue date Oct 26, 1999
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Crystal Systems, Inc.
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Frederick Schmid
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C01 - INORGANIC CHEMISTRY
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Shaped blades
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Patent number 5,438,973
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Issue date Aug 8, 1995
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Crystal Systems, Inc.
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Frederick Schmid
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Wire blades
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Patent number 4,349,178
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Issue date Sep 14, 1982
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Crystal Systems Inc.
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Frederick Schmid
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B28 - WORKING CEMENT, CLAY, OR STONE
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Wire blades
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Patent number 4,256,079
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Issue date Mar 17, 1981
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Crystal Systems Inc.
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Frederick Schmid
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B28 - WORKING CEMENT, CLAY, OR STONE
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Crystal growing
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Patent number 4,256,530
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Issue date Mar 17, 1981
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Crystal Systems Inc.
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Frederick Schmid
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C30 - CRYSTAL GROWTH
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Cutting
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Patent number 4,187,828
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Issue date Feb 12, 1980
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Crystal Systems, Inc.
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Frederick Schmid
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B28 - WORKING CEMENT, CLAY, OR STONE
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Process of forming a wire pack
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Patent number 4,178,670
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Issue date Dec 18, 1979
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Crystal Systems, Inc.
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Frederick Schmid
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B28 - WORKING CEMENT, CLAY, OR STONE
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Process of cutting wafers
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Patent number 4,092,972
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Issue date Jun 6, 1978
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Crystal Systems, Inc.
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Frederick Schmid
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B28 - WORKING CEMENT, CLAY, OR STONE
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Fabrication of metal-ceramic composites
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Patent number 3,939,003
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Issue date Feb 17, 1976
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The United States of America as represented by the Secretary of the Army
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James W. McCauley
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C30 - CRYSTAL GROWTH