Patents by Inventor Keith Beetles

Keith Beetles 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 pipe entry hatch
    Patent number: 5349790
    Abstract: A roof pipe entry hatch which includes side walls defining an opening, a cover hinged to one end of the side walls exteriorally of the opening, and a plurality of apertures presented by the side walls for receiving pipes from the exterior of the side walls into the opening, or handling pipes from the interior to the exterior of the building.
    Type: Grant
    Filed: October 14, 1992
    Date of Patent: September 27, 1994
    Assignee: Lexsuco Canada Limited
    Inventors: Keith Beetles, David Fulford