TREA

Roland Heidl

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  • Lenting, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hybrid vehicle
    • Patent number 5,249,637
    • Issue date Oct 5, 1993
    • Audi AG
    • Roland Heidl
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Frame unit for vehicles
    • Patent number 4,781,398
    • Issue date Nov 1, 1988
    • Audi AG
    • Manfred Uebelstadt
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS