Patents by Inventor Derek Tilsley

Derek Tilsley 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).

  • Knee crutch
    Patent number: 5746236
    Abstract: A knee crutch for supporting a patient, comprising a knee receptacle, one or more legs, an upright and a handle, allowing the patient to walk by grasping the handle and moving the knee crutch and injured knee forward, and to stand with hands free, by resting the abdomen against the handle.
    Type: Grant
    Filed: September 13, 1996
    Date of Patent: May 5, 1998
    Inventors: Derek Tilsley, Ruth Tilsley