Patents by Inventor Bertie Jackson

Bertie Jackson 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).

  • Adjustable guard rail structures
    Patent number: 4265401
    Abstract: An adjustable guard rail assembly is provided for use with a running rail and is made up of a plurality of spaced base plates having one end extending beneath the running rail, brace means fixed to each base plate adjacent the other end, a guard rail supported on said spaced base plates and abutting said braces, fastening means extending through said brace and guard rail and interchangeable spacer means on said fastening means interchangeable from one side of the guard rail to the other whereby the position of said guard rail with respect to the brace may be changed.
    Type: Grant
    Filed: March 9, 1979
    Date of Patent: May 5, 1981
    Assignee: L. B. Foster Company
    Inventor: Bertie Jackson