TREA

Edwin Wojta

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  • Aigen, AT
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Patents Grantslast 30 patents

  • Information Patent Grant

    Building elements and their preparation
    • Patent number RE31421
    • Issue date Oct 18, 1983
    • Isovolta Osterreichische Isolierstoffwerke Aktiengesellschaft
    • Felix Wehrmann
    • 521 - Synthetic resins or natural rubbers
  • Information Patent Grant

    Building elements and their preparation
    • Patent number 4,191,667
    • Issue date Mar 4, 1980
    • Isovolta, Osterreichische Isolierstoffwerke Aktiengesellschaft
    • Felix Wehrmann
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL