TREA

David R. Lee

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  • Lebanon, OR, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Zirconium-hafnium separation process
    • Patent number 5,176,878
    • Issue date Jan 5, 1993
    • Teledyne Industries, Inc.
    • Lawrence E. Sarbeck
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Zirconium-hafnium separation and purification process
    • Patent number 5,160,482
    • Issue date Nov 3, 1992
    • Teledyne Industries, Inc.
    • Kenneth C. Ash
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...