TREA

David E. Stikkers

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  • Reno, NV, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Glass fiber reinforced cement liners for pipelines and casings
    • Patent number 5,649,568
    • Issue date Jul 22, 1997
    • Union Oil Company of California
    • William C. Allen
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Dual gasket lined pipe connector
    • Patent number 5,566,986
    • Issue date Oct 22, 1996
    • Union Oil Company of California
    • William C. Allen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Dual gasket lined pipe connector
    • Patent number 5,405,171
    • Issue date Apr 11, 1995
    • Union Oil Company of California
    • William C. Allen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...