Patents by Inventor James Leslie Board

James Leslie Board 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).

  • Publication number: 20040150220
    Abstract: A security article includes a security device comprising an opaque scratch removable layer (7) on and/or in which is provided a diffractive, optically variable effect generating structure (4). The scratch removable layer (7) overlies covert information (12) on the article. The security device exhibits first indicia which relate to second indicia elsewhere on the article.
    Type: Application
    Filed: November 3, 2003
    Publication date: August 5, 2004
    Inventors: Brian William Holmes, Paul Gregory Harris, Malik Alibegovic, Mark Deakes, James Leslie Board