TREA

Friedrich Johannaber

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  • Lohmar, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for producing multi-layer mouldings
    • Patent number 5,236,657
    • Issue date Aug 17, 1993
    • Bayer Aktiengesellschaft
    • Werner Waldenrath
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Plastics moulding containing reinforced fillings
    • Patent number 4,812,247
    • Issue date Mar 14, 1989
    • Bayer Aktiengesellschaft
    • Karsten Fahner
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL