Patents by Inventor Andre M. J. Huiser

Andre M. J. Huiser 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).

  • Method and an apparatus for determining the genuineness of a security blank
    Patent number: 4710627
    Abstract: A security blank includes a sheet, and an elongated security thread connected to the sheet. The security thread may be identified upon being irradiated by electromagnetic radiation by a recognizable signature from radiation scattered therefrom; the cross-section of the security thread is other than circular or rectangular and is substantially constant over a prearranged portion of the length thereof.
    Type: Grant
    Filed: February 26, 1985
    Date of Patent: December 1, 1987
    Assignee: Lgz Landis & Gyr Zug AG
    Inventors: Heinrich P. Baltes, Andre M. J. Huiser