Patents by Inventor Ralph A. Rutherford

Ralph A. Rutherford 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).

  • Shoe assembly for strength training and fitness exercise
    Patent number: 8826571
    Abstract: Insole constructions for shoes including flexible components that allow for the connection of attachments having various devices are described. The insole constructions provide a supported attachment point for various components while not compromising the flexibility of the shoe. The insole constructions allow for attachment of devices at the heel, toe or sides of the shoe. Devices for attaching to shoes having the insole construction are also described, along with apparatuses for use with shoes having the insole construction.
    Type: Grant
    Filed: April 27, 2010
    Date of Patent: September 9, 2014
    Inventor: Ralph A. Rutherford
  • SHOE ASSEMBLY FOR STRENGTH TRAINING AND FITNESS EXERCISE
    Publication number: 20110258885
    Abstract: Insole constructions for shoes including flexible components that allow for the connection of attachments having various devices are described. The insole constructions provide a supported attachment point for various components while not compromising the flexibility of the shoe. The insole constructions allow for attachment of devices at the heel, toe or sides of the shoe. Devices for attaching to shoes having the insole construction are also described, along with apparatuses for use with shoes having the insole construction.
    Type: Application
    Filed: April 27, 2010
    Publication date: October 27, 2011
    Inventor: Ralph A. Rutherford
  • Shoe assembly for strength training and fitness exercise
    Patent number: 7794368
    Abstract: Insole constructions for shoes including articulated components that allow for the connection of attachments having various devices are described. The insole constructions provide a supported attachment point for various components while not compromising the flexibility of the shoe. The insole constructions allow for attachment of devices at the heel, toe or sides of the shoe. Devices for attaching to shoes having the insole construction are also described, along with apparatuses for use with shoes having the insole construction.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: September 14, 2010
    Inventor: Ralph A. Rutherford
  • SHOE ASSEMBLY FOR STRENGTH TRAINING AND FITNESS EXERCISE
    Publication number: 20090107010
    Abstract: Insole constructions for shoes including articulated components that allow for the connection of attachments having various devices are described. The insole constructions provide a supported attachment point for various components while not compromising the flexibility of the shoe. The insole constructions allow for attachment of devices at the heel, toe or sides of the shoe. Devices for attaching to shoes having the insole construction are also described, along with apparatuses for use with shoes having the insole construction.
    Type: Application
    Filed: October 30, 2007
    Publication date: April 30, 2009
    Inventor: Ralph A. RUTHERFORD