Patents by Inventor Joseph M. Leal

Joseph M. Leal 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).

  • Artificial limb prosthesis
    Patent number: 4459709
    Abstract: An artificial limb which is designed primarily for temporary use, such as for sports, while taking a shower, where the artificial limb is subjected to dirt, sand, or water. The artificial limb is constructed of a plastic tubular member which is split or bifurcated at one end to form a group of projecting fingers which define a cup-shaped region. A socket is formed of wrapped casting tape with the fingers being embedded in the socket walls during the wrapping operation.
    Type: Grant
    Filed: November 16, 1981
    Date of Patent: July 17, 1984
    Assignee: U.S. Manufacturing Company
    Inventors: Joseph M. Leal, James M. Malone