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Capacitive flow sensor
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Patent number 5,672,831
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Issue date Sep 30, 1997
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Caterpillar Inc.
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George Codina
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G01 - MEASURING TESTING
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Multi-purpose capacitive sensor
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Patent number 5,646,539
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Issue date Jul 8, 1997
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Caterpillar Inc.
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George Codina
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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Capacitive oil life sensor
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Patent number 5,631,568
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Issue date May 20, 1997
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Caterpillar Inc.
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George Codina
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Non-contacting joystick
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Patent number 5,421,694
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Issue date Jun 6, 1995
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Caterpillar Inc.
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Thomas M. Baker
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G05 - CONTROLLING REGULATING
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High voltage ripping apparatus
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Patent number 5,386,877
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Issue date Feb 7, 1995
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Caterpillar Inc.
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George G. Codina
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Integrated Marx generator
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Patent number 5,382,835
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Issue date Jan 17, 1995
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Caterpillar Inc.
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Everett G. Brandt
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H03 - BASIC ELECTRONIC CIRCUITRY
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High voltage switch
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Patent number 5,225,743
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Issue date Jul 6, 1993
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Caterpillar Inc.
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George G. Codina
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H01 - BASIC ELECTRIC ELEMENTS