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Drill bit position sensor
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Patent number 5,412,476
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Issue date May 2, 1995
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Optima Industries, Inc.
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William F. Marantette
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G01 - MEASURING TESTING
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Tool changer
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Patent number 5,302,166
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Issue date Apr 12, 1994
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Optima Industries, Inc.
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William F. Marantette
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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High speed drill spindle
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Patent number 5,145,298
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Issue date Sep 8, 1992
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Optima Industries, Inc.
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William F. Marantette
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Dual-plane high-speed collet
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Patent number 4,762,447
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Issue date Aug 9, 1988
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Optima Industries, Inc.
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William F. Marantette
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR