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Monitoring device
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Patent number 6,967,457
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Issue date Nov 22, 2005
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Middex-Electronic GmbH
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Rainer Ludwig
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G05 - CONTROLLING REGULATING
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Monitoring device
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Patent number 6,782,769
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Issue date Aug 31, 2004
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Middex-Electronic GmbH
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Rainer Ludwig
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G05 - CONTROLLING REGULATING
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Monitoring device
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Patent number 6,736,019
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Issue date May 18, 2004
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Middex-Electronic GmbH
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Rainer Ludwig
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G05 - CONTROLLING REGULATING
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Pen turret control system
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Patent number 4,885,701
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Issue date Dec 5, 1989
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CalComp Inc.
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Charles Gunderson
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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Pen turret control system
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Patent number 4,677,572
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Issue date Jun 30, 1987
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Sanders Associates, Inc.
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Charles Gunderson
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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Apparatus for monitoring tool life
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Patent number 4,563,897
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Issue date Jan 14, 1986
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Production Engineering Research Assoc.
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Arthur I. W. Moore
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR