Patents by Inventor Cestmir Hradency

Cestmir Hradency 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 ARTICLES AND DEVICES CONTAINING CODED HOLOGRAPHIC PLATELETS AND METHODS OF MANUFACTURING THE SAME
    Publication number: 20100110514
    Abstract: The present invention provides for a security article for anti-counterfeit (21, 31), authentication and/or tracking purposes, comprising a substrate material (25, 32) including at least one, but preferably several encoded metal holographic platelets, wherein each platelet (22, 33) carries a surface relief diffractive structure and can be authenticated by inspection of both a holo-graphic device by illumination and visual, eyeglass and magnifier inspection and which can also be authenticated by inspection under magnification of an aperture in the metal platelet carrying an authenticating code.
    Type: Application
    Filed: March 21, 2007
    Publication date: May 6, 2010
    Applicant: Metallic Security S.R.O
    Inventors: Roman Houha, Tomas Tethal, Libor Kotacka, Igor Jermolajev, John Drinkwater, Cestmir Hradency