Patents by Inventor Gerardus P. M. Vijverberg

Gerardus P. M. Vijverberg 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).

  • X-Ray fluoroscopy device
    Patent number: 4246607
    Abstract: An X-ray fluoroscopy device comprises a television camera for locating the irradiation field. This camera forms an optical image of the object to be irradiated. This image can be displayed on a television monitor, together with an image of the irradiation field, so that the position of the irradiation field within the object can be directly observed.
    Type: Grant
    Filed: March 8, 1979
    Date of Patent: January 20, 1981
    Assignee: U.S. Philips Corporation
    Inventor: Gerardus P. M. Vijverberg