Patents by Inventor Leonard T. White

Leonard T. White 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: 4991727
    Abstract: A device adapted to assist in the alignment of a railroad car drawheads for coupling, said device having connecting means by which the handle thereof may be rigidly connected to, and serve as an extension of, the drawhead for the purpose of increasing leverage when rotating said drawhead on its pivot.
    Type: Grant
    Filed: August 10, 1989
    Date of Patent: February 12, 1991
    Inventor: Leonard T. White