Patents by Inventor Kelvin B. Hutcheson

Kelvin B. Hutcheson 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).

  • Roof panel material
    Patent number: 4580384
    Abstract: A corrugated sheet roof panel has one longitudinal edge formation and one marginal strip of the panel which has a width less than the pitch distance between adjacent corrugations where the edge formation includes a female receptive bead. The opposite longitudinal edge formation of the panel includes a second marginal strip of the panel where the formation includes an inverted U-shaped male bead. The male bead of one panel is adapted to be snapped into the female bead of an adjacent panel to lock adjacent panels together.
    Type: Grant
    Filed: August 4, 1983
    Date of Patent: April 8, 1986
    Assignee: Hunter Douglas International N.V.
    Inventor: Kelvin B. Hutcheson