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Control system for a motor
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Patent number 5,420,487
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Issue date May 30, 1995
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Boral Johns Perry Industries Pty. Ltd.
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Gregory P. Eckersley
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B66 - HOISTING LIFTING HAULING
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Variable speed AC drive control
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Patent number 5,402,054
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Issue date Mar 28, 1995
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Boral Johns Perry Industries Pty. Ltd.
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Gregory P. Eckersley
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Control system for a motor
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Patent number 5,225,754
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Issue date Jul 6, 1993
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Boral Johns Perry Industries Pty. Ltd.
-
Gregory P. Eckersley
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B66 - HOISTING LIFTING HAULING
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Power supply system
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Patent number 5,191,520
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Issue date Mar 2, 1993
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Boral Johns Perry Industries Pty. Ltd.
-
Gregory P. Eckersley
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER