Patents by Inventor Dicky W. McDermid

Dicky W. McDermid 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: 4852322
    Abstract: Two elongated parallel rails have facing surfaces each with a longitudinally extending central groove opening toward the groove of the other rail. A rigid web sheet has its opposite longitudinal margins fitted in the grooves so as to form, in combination with the rails, a composite I-beam construction. Block units of a thickness approximately the same as the thickness of each rail are secured between the rails at opposite ends of the web sheet. Blocks of insulating foam fill the cavities at opposite sides of the web sheet.
    Type: Grant
    Filed: September 2, 1988
    Date of Patent: August 1, 1989
    Assignee: West-Isle Industries Inc.
    Inventor: Dicky W. McDermid