Patents by Inventor Craig S. Nunan, deceased

Craig S. Nunan, deceased 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).

  • Radiotherapy apparatus equipped with low dose localizing and portal imaging X-ray source
    Patent number: 5471516
    Abstract: Apparatus equipped for both megavoltage radiotherapy and a diagnostic X-ray source for portal imaging. Both the high energy therapeutic and low energy diagnostic source of radiation are physically located at the same point in apparatus space, and utilize a single moveable target converter that is physically positioned according to the desired use, either therapy or diagnostics.
    Type: Grant
    Filed: October 6, 1994
    Date of Patent: November 28, 1995
    Assignee: Varian Associates, Inc.
    Inventor: Craig S. Nunan, deceased