Patents by Inventor Robert David Piwko

Robert David 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).

  • Rocker device
    Patent number: 6811217
    Abstract: A support frame for a infant or child support device is disclosed. The frame includes oval shaped side members that provide a wide, safe base and a smooth rocking action to the rocker. The kickstand may be used to convert the support frame from a rocking configuration into a stable, non-rocking configuration. The support frame may also include a seat that can be removed from the support frame.
    Type: Grant
    Filed: April 1, 2003
    Date of Patent: November 2, 2004
    Assignee: Mattel, Inc.
    Inventors: Michael Kane, Robert David Piwko, Jr., John F. Rhein
  • Rocker device
    Publication number: 20040031097
    Abstract: A support frame for a infant or child support device is disclosed. The frame includes oval shaped side members that provide a wide, safe base and a smooth rocking action to the rocker. The kickstand may be used to convert the support frame from a rocking configuration into a stable, non-rocking configuration. The support frame may also include a seat that can be removed from the support frame.
    Type: Application
    Filed: April 1, 2003
    Publication date: February 19, 2004
    Inventors: Michael Kane, Robert David Piwko, John F. Rhein
  • Rocker device
    Patent number: D480884
    Type: Grant
    Filed: August 15, 2002
    Date of Patent: October 21, 2003
    Assignee: Mattel, Inc.
    Inventors: Michael Kane, Robert David Piwko, Jr., John F. Rhein
  • Rocker device
    Patent number: D491736
    Type: Grant
    Filed: August 7, 2003
    Date of Patent: June 22, 2004
    Assignee: Mattel, Inc.
    Inventors: Michael Kane, Robert David Piwko, Jr., John F. Rhein