Patents by Inventor Joseph C. Lightner

Joseph C. Lightner 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).

  • Gondola-type railway car
    Patent number: 4212252
    Abstract: A gondola-type railway car has a bottom which comprises at least one and preferably at least two transversely parabolic surfaces which extend below the side sills of the car, giving increased capacity, a lower center of gravity, and increased resistance to bottom damage.
    Type: Grant
    Filed: February 2, 1978
    Date of Patent: July 15, 1980
    Assignee: Greenville Steel Car Co.
    Inventors: James D. Hart, Joseph C. Lightner