TREA

Hans Zeiringer

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  • A 9321 Kappel/Krappfeld, AT
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Patents Grantslast 30 patents

  • Information Patent Grant

    Spherical nitride
    • Patent number 5,597,543
    • Issue date Jan 28, 1997
    • Treibacher Industrie AG
    • Hans Zeiringer
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Method of producing a grinding medium
    • Patent number 4,643,983
    • Issue date Feb 17, 1987
    • Hans Zeiringer
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...