Patents by Inventor Frederick Winch

Frederick Winch 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).

  • Expandable Brachytherapy Device with Constant Radiation Source Spacing
    Publication number: 20080161633
    Abstract: A brachytherapy device may include an expandable outer cage, an expandable inner cage positioned within the outer cage and configured to receive radioactive material at its perimeter, and a movable actuator configured to cause the outer and inner cages to expand simultaneously in response to movement of the actuator between certain positions while maintaining a substantially constant separation distance between the outer and inner cages.
    Type: Application
    Filed: February 26, 2008
    Publication date: July 3, 2008
    Inventors: L. Michael Cutrer, Richard A. Terwilliger, Joe Wong, Frederick Winch