Patents by Inventor Richard Paul Christen

Richard Paul Christen 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).

  • Gyroscopic top toy
    Patent number: 5683284
    Abstract: A self contained battery operated electric toy spinning top contains a DC electric motor, flywheel, batteries and electric switch in stacked relationship that allows for efficient assembly of a gyroscopic toy. A spinning cardboard carton is produced by installing the energized top within the carton.
    Type: Grant
    Filed: February 12, 1996
    Date of Patent: November 4, 1997
    Assignee: Hart Enterprises, Inc.
    Inventor: Richard Paul Christen