Sigfried Hofler

Person

  • Hannover, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Wear-resistant valve apparatus

    • Patent number 6,105,931
    • Issue date Aug 22, 2000
    • Wabco GmbH
    • Dieter Frank
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...