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Thread rolling dies
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Patent number 4,713,954
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Issue date Dec 22, 1987
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Colt Industries Operating Corp
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Richard H. Corrette
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Cutter for thread rolling dies
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Patent number 4,666,348
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Issue date May 19, 1987
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Colt Industries Operating Corp.
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Richard H. Corrette
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Thread rolling dies
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Patent number 4,631,947
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Issue date Dec 30, 1986
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Colt Industries Operating Corp.
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Richard H. Corrette
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Thread rolling die construction
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Patent number 4,576,033
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Issue date Mar 18, 1986
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Colt Industries Operating Corp.
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Richard H. Corrette
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Method of producing thread rolling die
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Patent number 4,573,376
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Issue date Mar 4, 1986
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Colt Industries Operating Corp.
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Richard H. Corrette
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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