Patents by Inventor Samuel G. Atkinson, Jr.

Samuel G. Atkinson, Jr. 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: 5743496
    Abstract: A railroad frog crossing bolt and nut is provided for clamping railroad rail sections together. The bolt is provided with a head which has a radiused portion which is adapted to be received in a countersink area in either a beveled washer or a D-bar. The inner end of the nut is also radiused which is adapted to be received in a countersink area formed in a beveled washer or D-bar.
    Type: Grant
    Filed: February 19, 1997
    Date of Patent: April 28, 1998
    Assignee: Upcor, Inc.
    Inventor: Samuel G. Atkinson, Jr.