Patents Represented by Attorney Erle R. Marden

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  • Dust control mat with non-cleated borders
    Patent number: 4886692
    Abstract: A cleated dust control mat having a rubber of rubber-like backing in which the longitudinal edges of the rubber-like backing projecting outward from the pile surface thereon is smooth and thicker than the body of the rubber or rubber-like backing material. The thicker edges are produced by using a perforated silicone pad which is narrower than the desired width and has beveled edges thereon to provide a curved transition therein between the body and the longitudinal edges of the backing material.
    Type: Grant
    Filed: September 14, 1988
    Date of Patent: December 12, 1989
    Assignee: Milliken Research Corporation
    Inventors: Robert C. Kerr, John H. Murray