Patents by Inventor Albert L. Hearne

Albert L. Hearne 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).

  • Patent number: 5906028
    Abstract: A hinge assembly for use with an expandable performance platform that allows relative independent pivotal movement between its first or extension panels and its adjacent second or base panel. The hinge assembly allows the extension panels to lay atop the base panels for storage or transport by providing movement of the pivot axis as the extension panel is pivoted. The hinge assembly also provides a flat performance area with a minimum of gaps along its abutting edges when the extension panels are in a performance mode.
    Type: Grant
    Filed: March 5, 1998
    Date of Patent: May 25, 1999
    Assignee: Portable Entertainment Platforms Co.
    Inventors: William M. Whisman, Albert L. Hearne