Ralf Schonfelder

Person

  • Bruchkobel, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Radiant unit

    • Patent number 4,962,310
    • Issue date Oct 9, 1990
    • Heraeus Quarzschmelze GmbH
    • Udo Hennecke
    • F26 - DRYING