Patents by Inventor Gerrit Verschuur

Gerrit Verschuur 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: 20050006472
    Abstract: A unique conductivity pattern is applied to printable articles to provide a “signature” for later verifying the authenticity of the printable articles. Preferably, the conductivity pattern is hidden from sight and differs from other conductivity patterns applied to other printable articles in an effectively random manner. Capacitive sensors read the conductivity patterns, and the resulting data for recording the signatures reflects not only details of the conductivity patterns themselves but also the characteristics of the capacitive sensors and their use.
    Type: Application
    Filed: March 19, 2004
    Publication date: January 13, 2005
    Inventors: Gerrit Verschuur, David Uland, Chauncey Mitchell