Patents by Inventor Philip J. Griswa

Philip J. Griswa 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).

  • Patent number: 4024403
    Abstract: An X-ray source is mounted in an enclosure for angulating longitudinally about a horizontal axis. An X-ray permeable patient supporting table is mounted on the top of the enclosure for executing lateral and longitudinal movements. An X-ray image receiving device such as an X-ray image intensifier is mounted above the table on a vertically movable arm which is on a longitudinally movable carriage. Electric control means are provided for angulating the X-ray source and image intensifier synchronously as the image intensifier system is shifted longitudinally or vertically such that the central ray from the X-ray source is kept perpendicular to the image input plane of the image intensifier.
    Type: Grant
    Filed: March 19, 1976
    Date of Patent: May 17, 1977
    Assignee: General Electric Company
    Inventors: Stanley Bernstein, Philip J. Griswa, Paul Halter, Jr., Harold J. Kidd
  • Patent number: 4024401
    Abstract: X-ray apparatus includes a floor mounted enclosure, a patient supporting table on the enclosure, an X-ray tube casing mounted for angulating in the enclosure, X-ray imaging devices unitarily supported for angulating on a cantilever arm located above the table, and an extensible and contractible and optionally removable link arm for coupling the tube casing and image devices, respectively, to enable their coordinate longitudinal angulation or selectively to enable maintaining the X-ray tube and imaging devices in a fixed vertical relationship.
    Type: Grant
    Filed: June 4, 1976
    Date of Patent: May 17, 1977
    Assignee: General Electric Company
    Inventors: Stanley Bernstein, Thomas W. Lambert, Philip J. Griswa, Lucius Stagg