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Portable peck feed drilling system
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Patent number 5,533,842
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Issue date Jul 9, 1996
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Cooper Industries, Inc.
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Chris L. Johnson
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Air feed peck drive configuration
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Patent number 5,374,143
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Issue date Dec 20, 1994
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Cooper Industries, Inc.
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Edwin J. Deremo
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Airfeed peck drill configuration
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Patent number 5,348,427
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Issue date Sep 20, 1994
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Cooper Industries, Inc.
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Edwin J. Deremo
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Airfeed peck drill configuration
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Patent number 5,340,243
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Issue date Aug 23, 1994
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Cooper Industries, Inc.
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Edwin J. Deremo
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Drill test fixture
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Patent number 4,901,587
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Issue date Feb 20, 1990
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Cooper Industries, Inc.
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Edwin J. Deremo
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR