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Stafford J. Vallery

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  • New Braunfels, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Steam trap checker
    • Patent number 4,630,633
    • Issue date Dec 23, 1986
    • Armstrong International, Inc.
    • Stafford J. Vallery
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...