Patents by Inventor William G.H. Kelly

William G.H. Kelly 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).

  • Method of making topographical support members for producing apertured films
    Publication number: 20030214083
    Abstract: This invention provides a method of forming a three dimensional topographical support member for producing apertured films, to the three dimensional topographical support member formed by the method of the invention, and to the apertured film produced thereon. The topographical support member is formed by moving a laser beam across the surface of a workpiece while modulating the power of the laser beam, thereby sculpting the surface of the workpiece to form the three dimensional topographical support member.
    Type: Application
    Filed: February 10, 2003
    Publication date: November 20, 2003
    Inventors: William G.H. Kelly, William A. James