David J. Ettelman

Person

  • Hewlett, NY, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Stepping motor harmonic suppression

    • Patent number 4,703,243
    • Issue date Oct 27, 1987
    • Kollmorgen Technologies Corporation
    • David J. Ettelman
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER