Patents by Inventor Ron Blackburn

Ron Blackburn 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).

  • Protective, orthotic removable insert for footwear
    Publication number: 20050138847
    Abstract: A footwear insert may include a puncture-resistant layer and a cushion layer. The cushion layer may be adjacent a top surface and an outer perimeter of the puncture-resistant layer. The cushion layer may comprise a lip extending upwardly from a region proximate a bottom surface of the puncture-resistant layer and extending outwardly with respect to the puncture-resistant layer. In some implementations, the puncture-resistant layer may comprise steel and the cushion layer may comprise polyurethane.
    Type: Application
    Filed: January 10, 2005
    Publication date: June 30, 2005
    Inventors: Ron Blackburn, Craig Dennis