Geng-Jin Feng

Person

  • Kitchener, Ontario, CA

Patents Grantslast 30 patents

  • Information Patent Grant

    Index drive

    • Patent number 5,860,333
    • Issue date Jan 19, 1999
    • Geng-Jin Feng
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...