Patents by Inventor Christopher Schera

Christopher Schera 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: 20050100204
    Abstract: Disclosed herein are methods and apparatus for authentication of various substrates, including paper based substrates such as currency. Techniques are disclosed for use of security features to generate security codes. The security codes are deciphered with apparatus including a color recognition sub-system that provides for verification of authenticity of the substrate containing the security features.
    Type: Application
    Filed: November 6, 2003
    Publication date: May 12, 2005
    Inventors: Robert Afzal, Christopher Schera, Don Oliver