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Conformal transverse hat profile roller
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Patent number 6,941,632
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Issue date Sep 13, 2005
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Northrop Grumman Corporation
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William T. Mead
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Method for descaling hot rolled strip
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Patent number 6,088,895
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Issue date Jul 18, 2000
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Armco Inc.
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Christian D. Nelson
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Pickling method of metal plate
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Patent number 5,863,347
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Issue date Jan 26, 1999
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Sumitomo Heavy Industries, Ltd.
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Keizo Abe
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Strip wiping system
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Patent number 4,843,673
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Issue date Jul 4, 1989
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T. Sendzimir, Inc.
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Michael G. Sendzimir
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Steel strip descaler
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Patent number 4,831,854
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Issue date May 23, 1989
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SMS Schloemann-Siemag Aktiengesellschaft
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Wilfried Bald
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Method for descaling metal strip
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Patent number 4,581,073
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Issue date Apr 8, 1986
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Allegheny Ludlum Steel Corporation
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Nazmi Y. Toker
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Strip wiping system
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Issue date Nov 12, 1985
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John W. Turley
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...