Patents by Inventor Jonathan James Whittington Griffiths

Jonathan James Whittington Griffiths 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).

  • Security device
    Patent number: 5644295
    Abstract: The present invention relates to a security device for fixing to a surface to allow relative movement of the device and the surface to be detected, and a connector for such a device.
    Type: Grant
    Filed: September 5, 1995
    Date of Patent: July 1, 1997
    Assignee: Permasign Limited
    Inventors: Raymond Edwin Connolly, Jonathan James Whittington Griffiths