Patents by Inventor David Franklin Kellam

David Franklin Kellam 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: 6519912
    Abstract: A converted wood article for use in combination with other converted wood articles to form composite wood products for use in general construction such as in the construction of posts, flooring, walls, and support beams. Converted wood articles preferably include engaging surfaces and in composite wood products formed therefrom include joints between engaging surfaces which are displaced from the outer corners of the composite wood product. Adjacent engaging surfaces forming a joint preferably include correspondingly shaped inter-engaging portions. Further, converted wood articles have the notional cross-sectional shape of four-, five-, or six-sided polygons. The polygons preferably include at least one side having a notional plane therethrough which forms an acute angle with another side.
    Type: Grant
    Filed: April 11, 2000
    Date of Patent: February 18, 2003
    Assignee: Temple-Inland Forest Products Corporation
    Inventors: William Thomas Eckmann, William B. Fulmer, III, David Franklin Kellam