Hartmut Zefferer

Person

  • Aachen, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Nozzle assembly for laser beam cutting

    • Patent number 5,786,561
    • Issue date Jul 28, 1998
    • Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V.
    • Hartmut Zefferer
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR