James A. Perkins

Person

  • Sooke, CA

Patents Grantslast 30 patents

  • Information Patent Grant

    Cable integrity by acoustic emission

    • Patent number 4,565,964
    • Issue date Jan 21, 1986
    • Her Majesty the Queen in right of Canada, as represented by the Minister of N...
    • James R. Matthews
    • G01 - MEASURING TESTING