Patents by Inventor John W. K. Marsh

John W. K. Marsh 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: 4299246
    Abstract: A walking aid such as a walking stick, crutch or walking frame comprises a body, a ground engaging member mounted at one end of the body, the body being movable relative to the ground engaging member, and a lever pivotably mounted on said ground engaging member, the body having means to actuate the lever so as to cause pivotal movement of the lever when the body moves relative to the ground engaging member. This pivotal movement of the lever can be utilized for retrieving objects on the ground, with the lever and ground engaging member acting as gripping members. A locking ring may be provided for preventing relative movement of the body and ground engaging member when the object retrieving facility is not required.
    Type: Grant
    Filed: March 19, 1980
    Date of Patent: November 10, 1981
    Inventor: John W. K. Marsh