Patents by Inventor Joseph Carl Borowski, Jr.

Joseph Carl Borowski, Jr. 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).

  • Lottery ticket with hidden conductive ink security means
    Patent number: 6142533
    Abstract: The present invention is directed to a scratch-off type lottery ticket in which a layer comprised of a non-conductive ink region and a conductive ink region are printed below an opaque scratch-off layer. The conductive ink region is detectable through the opaque layer by conventional lottery ticket authentication/validation machines.
    Type: Grant
    Filed: April 26, 1999
    Date of Patent: November 7, 2000
    Assignee: Oberthor Gaming Technologies, Inc.
    Inventor: Joseph Carl Borowski, Jr.