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Telephone network interface panel
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Patent number D285551
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Issue date Sep 9, 1986
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Communications Systems, Inc.
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Daniel Meyer
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D13 - Equipment for production, distribution, or transformation of energy
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Modular telephone line coupler
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Patent number 4,593,966
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Issue date Jun 10, 1986
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Communications Systems, Inc.
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Daniel Meyer
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H01 - BASIC ELECTRIC ELEMENTS
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Wall plate kit for telephones
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Patent number 4,411,485
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Issue date Oct 25, 1983
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Communications Systems, Inc.
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Ronald W. Wiseheart
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Multiple cable connector box
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Patent number 4,382,649
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Issue date May 10, 1983
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Communication Systems, Inc.
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Daniel Meyer
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER