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Coupling circuit
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Patent number 5,770,972
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Issue date Jun 23, 1998
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Zero Impedance Systems, Inc.
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George H. Freuler
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H03 - BASIC ELECTRONIC CIRCUITRY
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Coupling circuit
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Patent number 5,604,463
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Issue date Feb 18, 1997
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Zero Impedance Systems
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George H. Freuler
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H03 - BASIC ELECTRONIC CIRCUITRY
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Coupling circuit
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Patent number 5,402,084
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Issue date Mar 28, 1995
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Zero Impedance Systems
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George H. Freuler
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H03 - BASIC ELECTRONIC CIRCUITRY
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Amplifier
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Patent number 5,300,893
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Issue date Apr 5, 1994
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Zero Impedance Systems, Inc.
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George H. Freuler
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H03 - BASIC ELECTRONIC CIRCUITRY
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Battery booster
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Patent number 5,039,930
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Issue date Aug 13, 1991
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G&E Test Technologies, Inc.
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Edward J. Collier
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Zero impedance switch
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Patent number 5,030,919
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Issue date Jul 9, 1991
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G&E Test Technologies, Inc.
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George H. Freuler
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G01 - MEASURING TESTING