TREA

Hermann Diehl

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  • Mannheim, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Roof web for pitched roofs
    • Patent number 4,630,421
    • Issue date Dec 23, 1986
    • Metzeler Schaum GmbH
    • Hermann Diehl
    • E04 - BUILDING
  • Information Patent Grant

    Insulated one-piece roof
    • Patent number 4,453,358
    • Issue date Jun 12, 1984
    • Bayer Aktiengesellschaft
    • Hermann Gruber
    • E04 - BUILDING