Patents by Inventor Robert Piwko

Robert Piwko 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).

  • Entertainment Device with Mode Indicator
    Publication number: 20080012406
    Abstract: This present invention relates generally to an infant seat and, in particular, to an infant seat that provides a stable, enhanced seating position for an infant and includes a sensory stimulus unit with a slide switch that, when actuated, effectuates a change in visual appearance of the stimulus unit and a corresponding change in the sensory output.
    Type: Application
    Filed: August 30, 2007
    Publication date: January 17, 2008
    Applicant: MATTEL, INC.
    Inventors: Robert Piwko, John Rhein, Michael Kane