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Ronald O. Petersen

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  • Banks, OR, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    X-ray attenuating ceramic materials
    • Patent number 4,949,010
    • Issue date Aug 14, 1990
    • Tektronix, Inc.
    • Ronald O. Petersen
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    X-ray attenuating ceramic materials
    • Patent number 4,804,885
    • Issue date Feb 14, 1989
    • Tektronix, Inc.
    • Ronald O. Petersen
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Thin-film electroluminescent device
    • Patent number 4,751,427
    • Issue date Jun 14, 1988
    • Planar Systems, Inc.
    • William A. Barrow
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...