Patents by Inventor Tom Starr

Tom Starr has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Electrical surge protection
    Patent number: 4720760
    Abstract: A mains electrical plug incorporates a zinc oxide non-linear resistor device (10) in the form of a circular zinc oxide disc having three electrode portions (2) provided on one face and contacting the earth, neutral and live pins (5) of the plug and a single electrode (3) on its other face, the device (10) thereby providing surge protection to the three electrical circuits provided within the plug.
    Type: Grant
    Filed: July 24, 1985
    Date of Patent: January 19, 1988
    Assignee: Bowthorpe Emp Limited
    Inventor: Tom Starr