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Boom control system
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Patent number 4,910,662
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Issue date Mar 20, 1990
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Sundstrand-Sauer
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Richard K. Heiser
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Boom control system
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Patent number 4,791,549
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Issue date Dec 13, 1988
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Sundstrand Corporation
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Richard K. Heiser
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Boom control system
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Patent number 4,722,044
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Issue date Jan 26, 1988
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Sundstrand Corporation
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Richard K. Heiser
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Split torque transmission control
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Patent number 4,355,509
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Issue date Oct 26, 1982
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Sundstrand Corporation
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Thomas R. Fulkerson
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...