TREA

Jakob Ippen

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  • Leverkusen, DT
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Patents Grantslast 30 patents

  • Information Patent Grant

    Puncture-proof tires
    • Patent number 4,051,883
    • Issue date Oct 4, 1977
    • Bayer Aktiengesellschaft
    • Jakob Ippen
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Puncture-proof tires
    • Patent number 4,037,635
    • Issue date Jul 26, 1977
    • Bayer Aktiengesellschaft
    • Jakob Ippen
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Punctureproof tire
    • Patent number 3,957,101
    • Issue date May 18, 1976
    • Bayer Aktiengesellschaft
    • Jakob Ippen
    • B60 - VEHICLES IN GENERAL