Patents Represented by Attorney B. John Lyons

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  • Overvoltage protection device
    Patent number: 4860155
    Abstract: A circuit protection device comprising a chalcogenide glass threshold switching element connected or arranged to be connected between a current carrying line and earth, and a capacitor connected in a series with the switching element.
    Type: Grant
    Filed: December 23, 1986
    Date of Patent: August 22, 1989
    Assignee: Raychem Limited
    Inventor: Martin A. Wright