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Equalizing power chuck
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Patent number 6,206,382
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Issue date Mar 27, 2001
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Ralph J. Gonnocci
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Equalizing chuck
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Patent number 5,941,538
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Issue date Aug 24, 1999
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Ralph J. Gonnocci Revocable Living Trust
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Ralph J. Gonnocci
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Power chuck
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Patent number 5,322,305
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Issue date Jun 21, 1994
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Kenneth Cross
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Power chuck
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Patent number 5,184,833
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Issue date Feb 9, 1993
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Cross; Kenneth
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Kenneth Cross
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR