Jan W. Hoekstra

Person

  • Hengelo, NL

Patents Grantslast 30 patents

  • Information Patent Grant

    Electromagnetic switch

    • Patent number 4,935,711
    • Issue date Jun 19, 1990
    • Holec Systemen En Componenten B.V.
    • Derk Van der Scheer
    • H01 - BASIC ELECTRIC ELEMENTS