Patents by Inventor Donald C. Kornhaus

Donald C. Kornhaus 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: 4572505
    Abstract: An exercising device for conditioning the dorsal flexor muscles includes a fixed frame having inclined foot rests mounted adjacent one end and an arm arrangement swingably attached to the fixed frame at an opposite end. The arm arrangement includes a lever arm pivotally connected to the fixed frame and with foot engaging bars extending transversely from the lever arm generally adjacent the foot rest. The user places his feet between the foot rest and the foot engagement bars and flexes the feet upwardly to reduce the tendency toward the strained muscle condition known as shin splints. Provision is made for extra weights to be attached to the arm arrangement.
    Type: Grant
    Filed: December 27, 1983
    Date of Patent: February 25, 1986
    Inventor: Donald C. Kornhaus