Patents by Inventor Christopher John Fice

Christopher John Fice 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).

  • Method of manufacturing a security item
    Patent number: 6776933
    Abstract: A method of manufacturing a security item comprises coextruding at least two polymer plastic materials (6,7) with different characteristics so as to form a substrate so that neither material are biaxially oriented, and providing security indicia (14) on the substrate.
    Type: Grant
    Filed: October 6, 2000
    Date of Patent: August 17, 2004
    Assignee: De La Rue International Limited
    Inventors: Charles Edward Chatwin, Christopher John Fice