Patents by Inventor Wendy Victoria Williams

Wendy Victoria Williams 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 document
    Patent number: 8226125
    Abstract: A security document has a first region and an adjacent second region, the regions defining a security device. Opposite sides of the first region are provided with first and second, complementary indicia registered with respect to one another, the first region being sufficiently transparent that both the first and second indicia are viewable from either side of the document under reflected light. Third indicia are provided on the second region on the same side of the document, registered with, and complementary to, the first indicia, and fourth indicia are provided on the second region on the same side of the document, registered with, and complementary to, the second indicia, the third and fourth indicia also being complementary to and registered with respect to one another.
    Type: Grant
    Filed: January 23, 2007
    Date of Patent: July 24, 2012
    Assignee: De La Rue International Limited
    Inventors: Wendy Victoria Williams, Julia Ruth Dean
  • Security Device
    Publication number: 20090045618
    Abstract: A security document has a first region and an adjacent second region, the regions defining a security device. Opposite sides of the first region are provided with first and second, complementary indicia registered with respect to one another, the first region being sufficiently transparent that both the first and second indicia are viewable from either side of the document under reflected light. Third indicia are provided on the second region on the same side of the document, registered with, and complementary to, the first indicia, and fourth indicia are provided on the second region on the same side of the document, registered with, and complementary to, the second indicia, the third and fourth indicia also being complementary to and registered with respect to one another.
    Type: Application
    Filed: January 23, 2007
    Publication date: February 19, 2009
    Applicant: De La Rue International Limited
    Inventors: Wendy Victoria Williams, Julia Ruth Dean