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Bracket for terminal block
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Patent number 5,035,645
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Issue date Jul 30, 1991
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The Siemon Company
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John A. Siemon
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Telephone circuit connecting device
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Patent number D315566
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Issue date Mar 19, 1991
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Porta Systems Corp.
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Paul V. De Luca
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D14 - Recording, communication, or information retrieval equipment
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AC surge protector
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Patent number D305641
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Issue date Jan 23, 1990
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Porta Systems Corp.
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Paul V. DeLuca
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D13 - Equipment for production, distribution, or transformation of energy
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Single sided DSX frame
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Patent number 4,811,169
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Issue date Mar 7, 1989
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Porta Systems Corp.
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Paul V. De Luca
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Telephone protector block
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Patent number D297531
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Issue date Sep 6, 1988
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Porta Systems Corp.
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Paul V. De Luca
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D14 - Recording, communication, or information retrieval equipment
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Digital system connect frame
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Patent number 4,737,985
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Issue date Apr 12, 1988
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Porta Systems Corp.
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Paul V. De Luca
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Digital system connect frame
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Patent number 4,649,236
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Issue date Mar 10, 1987
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Porta Systems Corp.
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Paul V. De Luca
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Telephone building entrance terminal
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Patent number D287963
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Issue date Jan 27, 1987
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Porta Systems Corp.
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Michael Fasano
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D13 - Equipment for production, distribution, or transformation of energy
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