Patents by Inventor William S Powers

William S Powers 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).

  • Geometric measurement system and method of measuring a geometric characteristic of an object
    Patent number: 7969585
    Abstract: A geometric measurement system is adapted to precisely measure one or more surfaces of objects such as corneas, molds, contact lenses in molds, contact lenses, or other objects in a fixture. The geometric measurement system can employ one or more of three possible methods of measurement: Shack-Hartmann wavefront sensing with wavefront stitching; phase diversity sensing; and white light interferometry.
    Type: Grant
    Filed: November 6, 2009
    Date of Patent: June 28, 2011
    Assignee: AMO Wavefront Sciences LLC.
    Inventors: Daniel R Neal, Thomas D Raymond, William S Powers