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Packaged solid-state surge protector
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Patent number 5,422,779
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Issue date Jun 6, 1995
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Northern Telecom Limited
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Jerzy Borkowicz
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Packaged solid-state surge protector
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Patent number 4,939,619
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Issue date Jul 3, 1990
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Northern Telecom Limited
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Jerzy Borkowicz
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Packaged solid-state surge protector
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Patent number 4,851,956
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Issue date Jul 25, 1989
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Northern Telecom Limited
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Gerzy Borkowicz
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Overvoltage protection device
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Patent number 4,544,983
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Issue date Oct 1, 1985
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Northern Telecom Limited
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James E. Anderson
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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