Patents by Inventor ALEXANDER MOMBREE

ALEXANDER MOMBREE 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: 20160303889
    Abstract: A security element for a document of value is arranged on a transparent layer such as a film and includes a first periodic, optical structure, for example a grid of lines or a grid of points, which forms a first coating on a first side of the transparent layer, and a second periodic, optical structure, for example a grid of lines or a grid of points, which forms a second coating on the second side, which is disposed opposite the first side of the transparent layer. The first optical structure and the second optical structure overlap such that, as viewed by outside observer at a certain, predetermined viewing angle (?) or lighting angle, the structures show a color-changing effect.
    Type: Application
    Filed: November 15, 2013
    Publication date: October 20, 2016
    Inventors: Roland GUTMANN, ALEXANDER MOMBREE, MICHAEL KNEBEL, CHRISTIAN KUNATH, JENS EHREKE