John L. Johnson

Person

  • Plum Borough, PA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Solid brush current collection system

    • Patent number 4,241,271
    • Issue date Dec 23, 1980
    • Westinghouse Electric Corp.
    • John L. Johnson
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER