Patents by Inventor J. Michael Schroeder

J. Michael Schroeder 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 system
    Patent number: 5791990
    Abstract: Interactive, computer-activated games or other activities are disclosed. Included among the disclosed embodiments are systems employing not only a computer program, but also a ticket that, if a "winner," must be modified prior to redemption to include information gleaned by executing the program. The ticket additionally may include an activation code for input into the computer program.
    Type: Grant
    Filed: December 3, 1996
    Date of Patent: August 11, 1998
    Assignee: Dittler Brothers Incorporated
    Inventors: J. Michael Schroeder, Mark Klingler, Deborah G. Davidson, Fred W. Finnerty