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Fritz Irrgeher

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  • Leverkusen-Hitdorf, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sealing element
    • Patent number 5,072,952
    • Issue date Dec 17, 1991
    • Irbit Research & Consulting A.G.
    • Fritz Irrgeher
    • E04 - BUILDING
  • Information Patent Grant

    Sealing element
    • Patent number 4,977,018
    • Issue date Dec 11, 1990
    • Irbit Research & Consulting A.G.
    • Fritz Irrgeher
    • E04 - BUILDING