Patents by Inventor Carter H. Sigmon

Carter H. Sigmon 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).

  • USER ADJUSTABLE PROSTHETIC ANKLE THAT COMPENSATES FOR DIFFERENT HEEL HEIGHTS
    Publication number: 20160367384
    Abstract: A prosthetic ankle adapted to be attached to the leg and foot components of a prosthetic leg that allows user to self-adjustment of the pitch angle of the prosthetic leg via a turnbuckle-like mechanism to accommodate the heel heights of different shoes.
    Type: Application
    Filed: April 4, 2016
    Publication date: December 22, 2016
    Applicant: The United States of America as represented by the secretary of the Navy
    Inventors: Carter H. Sigmon, Brian A. Zalewski, Darwin Clark