Patents by Inventor Albert J. Fledderman

Albert J. Fledderman 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 document including pseudo-random image and method of making the same
    Patent number: 6167147
    Abstract: A security document is provided comprising: a security image area on the face of the document and a printed security image within the security image area. At least a portion of the security image area is divided into a plurality of image element cells, such that the image element cells define an array of image element cells across the security image area. Each of the image element cells is divided into a plurality of pixels, such that each image element cell defines a cell pixel array. At least a portion of the security image area is divided into a plurality of complementary image element cells, such that the complementary image element cells define an array of complementary image element cells across the security image area. Each of the complementary image element cells is divided into a plurality of pixels, such that each complementary image element cell defines a cell pixel array. The printed security image comprises image elements and complementary image elements.
    Type: Grant
    Filed: October 26, 1998
    Date of Patent: December 26, 2000
    Assignee: The Standard Register Company
    Inventors: William H. Mowry, Jr., Albert J. Fledderman