Werner Rethmann

Person

  • Georgsmarienhuette, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for extrusion of tubes

    • Patent number 4,104,903
    • Issue date Aug 8, 1978
    • Kabel-und Metallwerke Gutehoffnungshuette AG
    • Douglas W. Rowell
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...