Patents by Inventor Grant L. BITTLE

Grant L. BITTLE 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).

  • MULTIFUNCTIONAL SCAFFOLDING AND PUSHCART CONVERTIBLE UTILITY DEVICE
    Publication number: 20120222913
    Abstract: A multi-functional utility apparatus that is convertible between a scaffold configuration and a pushcart configuration. A pivotal coupling assembly between first and second subframes allows the subframes to be expanded for use as a scaffolding or collapsed for use as a pushcart.
    Type: Application
    Filed: December 1, 2011
    Publication date: September 6, 2012
    Inventors: David C. CALVERT, Christopher R. WEBB, Tsailu LIU, Paul W. HOLLEY, Michael K. THOMPSON, W. Travis LONTZ, Grant L. BITTLE