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Electrical box connector coupling
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Patent number D339793
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Issue date Sep 28, 1993
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Berger Industries, Inc.
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Pierre Nardi
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D13 - Equipment for production, distribution, or transformation of energy
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Electrical coupling
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Patent number D339792
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Issue date Sep 28, 1993
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Berger Industries, Inc.
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Pierre Nardi
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D13 - Equipment for production, distribution, or transformation of energy
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Electrical fitting for conduit connection
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Patent number 5,165,735
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Issue date Nov 24, 1992
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Berger Industries, Inc.
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Pierre Nardi
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...