Patents by Inventor Christian Portmann

Christian Portmann 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).

  • Printing carriers for transferring confidential information
    Patent number: 8202593
    Abstract: In a printing carrier for transferring confidential information with a transparent film layer onto the front side of which the confidential information can be printed and wherein a concealing means, which considerably complicates the capability to identify the confidential information on the film layer is present behind the film layer, provision is made according to the invention for the film layer to carry on the front side at least one structure imprint, which does not add to the confidential information and which improves the effect of the concealing means due to its irregular area coverage.
    Type: Grant
    Filed: January 19, 2009
    Date of Patent: June 19, 2012
    Assignee: Fofitec AG
    Inventors: Jules Fischer, Christian Portmann
  • Printing carriers for transferring confidential information
    Publication number: 20090286052
    Abstract: In a printing carrier for transferring confidential information with a transparent film layer onto the front side of which the confidential information can be printed and wherein a concealing means, which considerably complicates the capability to identify the confidential information on the film layer is present behind the film layer, provision is made according to the invention for the film layer to carry on the front side at least one structure imprint, which does not add to the confidential information and which improves the effect of the concealing means due to its irregular area coverage.
    Type: Application
    Filed: January 19, 2009
    Publication date: November 19, 2009
    Applicant: Fofitec AG
    Inventors: Jules Fischer, Christian Portmann