Patents by Inventor Louis Chalfant, Jr.

Louis Chalfant, Jr. 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).

  • Woodworking tools
    Patent number: 7293588
    Abstract: A rotary shaper tool for use in conjunction with a power tool used to rotate the shaper tool in which a cutter panel is formed about a cylindrical framework. The cutter panel is formed with rows or sets of cutter teeth and an array of vent holes. Chips formed by the engagement of the spinning cutter panel with a wooden workpiece pass to the interior of the shaper tool and are ejected from the vent holes remote from the area of engagement.
    Type: Grant
    Filed: April 18, 2005
    Date of Patent: November 13, 2007
    Assignee: Grace Manufacturing Inc.
    Inventors: Douglas Michael Dawson, Louis Chalfant, Jr.