TREA

Klober; Johannes

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  • Ennepetal, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Roofing vent cover with plug detent connection
    • Patent number 5,005,328
    • Issue date Apr 9, 1991
    • Klober; Johannes
    • Johannes Holtgreve
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Roofing slab
    • Patent number 4,843,794
    • Issue date Jul 4, 1989
    • Klober; Johannes
    • Johannes Holtgreve
    • E04 - BUILDING

Patents Applicationslast 30 patents

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