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Ronald N. Allen

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  • Sevenoaks, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid level control valve
    • Patent number 4,164,955
    • Issue date Aug 21, 1979
    • Millars Wellpoint International Ltd.
    • Ronald N. Allen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...