Patents by Inventor Craig H. Dennis

Craig H. Dennis 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: 6871422
    Abstract: A preferably three layer protective orthotic insert for footwear is provided. According to one embodiment, a bottom layer is a single stainless steel sheet. A middle layer is a polyurethane layer, shaped to the contour of the bottom of a foot and including orthotic supports, disposed over the single stainless steel sheet. And a top layer is a membrane secured to the molded polyurethane layer. A method for making the protective orthotic insert is also provided.
    Type: Grant
    Filed: October 11, 2001
    Date of Patent: March 29, 2005
    Assignee: Rhino Tuff, Inc.
    Inventors: Ron L. Blackburn, Craig H. Dennis
  • Publication number: 20020043005
    Abstract: A preferably three layer protective orthotic insert for footwear is provided. According to one embodiment, a bottom layer is a single stainless steel sheet. A middle layer is a polyurethane layer, shaped to the contour of the bottom of a foot and including orthotic supports, disposed over the single stainless steel sheet. And a top layer is a membrane secured to the molded polyurethane layer. A method for making the protective orthotic insert is also provided.
    Type: Application
    Filed: October 11, 2001
    Publication date: April 18, 2002
    Inventors: Ron L. Blackburn, Craig H. Dennis