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Non-directional frequency generator
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Patent number 6,166,936
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Issue date Dec 26, 2000
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SamSung Electronics Co., Ltd.
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Yong-woon Han
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Rotatable inverter
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Patent number 6,081,082
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Issue date Jun 27, 2000
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Samsung Electronics Co., Ltd.
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Chul Kim
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Pulse width rotary inverter
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Patent number 5,633,792
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Issue date May 27, 1997
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John C. U. Massey
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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