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Digital hydraulic valve control
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Patent number 5,218,997
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Issue date Jun 15, 1993
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The University of British Columbia
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Andrew B. Dunwoody
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G05 - CONTROLLING REGULATING
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Modular digital actuator
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Patent number 5,197,285
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Issue date Mar 30, 1993
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The University of British Columbia
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Andrew B. Dunwoody
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B60 - VEHICLES IN GENERAL
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Fluid actuator
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Patent number 5,062,268
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Issue date Nov 5, 1991
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The University of British Columbia
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Andrew B. Dunwoody
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B60 - VEHICLES IN GENERAL
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Digital actuator
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Patent number 5,058,384
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Issue date Oct 22, 1991
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University of British Columbia
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Andrew B. Dunwoody
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B60 - VEHICLES IN GENERAL
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Digital suspension system
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Patent number 5,011,180
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Issue date Apr 30, 1991
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The University of British Columbia
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Andrew B. Dunwoody
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B60 - VEHICLES IN GENERAL