TREA

William W. Rawstron

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  • Northboro, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Butterfly valve
    • Patent number 4,817,916
    • Issue date Apr 4, 1989
    • Jamesbury Corporation
    • William W. Rawstron
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tank bottom internal valve housing
    • Patent number 4,016,907
    • Issue date Apr 12, 1977
    • Jamesbury Corporation
    • William W. Rawstron
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...