Patents by Inventor Keith Howard Hatfield

Keith Howard Hatfield 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: 9914004
    Abstract: The present invention comprises a device and method for achieving a passive stretch, wherein the device has an anchor, a foot strap, a handle strap and at least one handle. The anchor secures the device to the user such that an opposing force can be applied to the device. A foot strap is attached to the anchor and extends under the heel and plantar surface of the user's foot. The foot strap maintains contact with the user's entire foot. The foot strap extends past the user's toes and connects to a set of handles by way of a handle strap. The user can apply force by pulling the handles toward the user's body thereby achieving a stretch through the user's foot and calf muscle, into the hamstring muscle in particular embodiments.
    Type: Grant
    Filed: July 15, 2013
    Date of Patent: March 13, 2018
    Inventor: Keith Howard Hatfield
  • Publication number: 20140018216
    Abstract: The present invention comprises a device and method for achieving a passive stretch, wherein the device has an anchor, a foot strap, a handle strap and at least one handle. The anchor secures the device to the user such that an opposing force can be applied to the device. A foot strap is attached to the anchor and extends under the heel and plantar surface of the user's foot. The foot strap maintains contact with the user's entire foot. The foot strap extends past the user's toes and connects to a set of handles by way of a handle strap. The user can apply force by pulling the handles toward the user's body thereby achieving a stretch through the user's foot and calf muscle, into the hamstring muscle in particular embodiments.
    Type: Application
    Filed: July 15, 2013
    Publication date: January 16, 2014
    Inventor: Keith Howard Hatfield