TREA

Angelo Natalizia

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  • Cranston, RI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ball valve having metal seat rings
    • Patent number 4,235,418
    • Issue date Nov 25, 1980
    • International Telephone & Telegraph Corporation
    • Angelo Natalizia
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Non-spherical ball valve
    • Patent number 4,147,326
    • Issue date Apr 3, 1979
    • International Telephone & Telegraph Corp.
    • Angelo Natalizia
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball valve having metal seat rings
    • Patent number 4,126,295
    • Issue date Nov 21, 1978
    • International Telephone and Telegraph Corporation
    • Angelo Natalizia
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...