Patents Assigned to L. R. Etanco
  • Patent number: 4894970
    Abstract: Each spacer comprises a foot portion of a polygonal cross section, which is rotatably lockable in a correspondingly profiled part of the plate. Each foot portion is topped by a star shaped surface and extended by a vertical rod or column terminated by a head portion which is hollow for passage of fastening means provided for maintaining the upper fixation element onto the head portion. The upper fixation elements are suitably stiffened by corrugation means and provided with a center hole for passage of the fastening means.
    Type: Grant
    Filed: June 27, 1988
    Date of Patent: January 23, 1990
    Assignee: L. R. Etanco
    Inventor: Richard Lebraut