Patents by Inventor Andrew Lowinger

Andrew Lowinger 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).

  • Quizzer toy
    Patent number: D271029
    Type: Grant
    Filed: January 13, 1981
    Date of Patent: October 18, 1983
    Assignee: North American Foreign Trading Corporation
    Inventors: Dietmar Nagel, Andrew Lowinger, Peter Roegner
  • Preprogrammed toy sound generator
    Patent number: D271030
    Type: Grant
    Filed: January 13, 1981
    Date of Patent: October 18, 1983
    Assignee: North American Foreign Trading Corporation
    Inventors: Dietmar Nagel, Andrew Lowinger, Peter Roegner
  • Teaching machine
    Patent number: D276733
    Type: Grant
    Filed: January 13, 1981
    Date of Patent: December 11, 1984
    Assignee: North American Foreign Trading Corporation
    Inventors: Dietmar Nagel, Andrew Lowinger, Peter Roegner