Joseph C. Fray

Person

  • Turtle Creek, PA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    High voltage d-c current limiter

    • Patent number 5,644,461
    • Issue date Jul 1, 1997
    • Westinghouse Air Brake Company
    • Craig A. Miller
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER