Patents Assigned to Adler Tech International, Inc.
  • Security documents and a method and apparatus for printing and authenticating such documents
    Patent number: 7367593
    Abstract: A security document and a method of making and authenticating the document in which the document contains a security feature of an image/background pattern printed in one subtractive color on the document and at least one other but different image/background pattern printed in another subtractive color superimposed directly over the one image/background pattern.
    Type: Grant
    Filed: July 26, 2002
    Date of Patent: May 6, 2008
    Assignee: Adler Tech International, Inc.
    Inventor: Thomas M. Wicker