Patents by Inventor Gary J. Thumann

Gary J. Thumann 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).

  • Variable focussed X-ray grid
    Patent number: 5291539
    Abstract: A flexible elongated slatted grid structure is suspended between a pair of spaced apart grid support frames each of which is adapted for rotation about a transverse axis intermediate the suspended ends of the grid. Mechanical adjustment means provides equal but opposite angular motion of the frames to curve the grid along a circular path.
    Type: Grant
    Filed: October 19, 1992
    Date of Patent: March 1, 1994
    Assignee: General Electric Company
    Inventors: Gary J. Thumann, Jonathan C. Boomgaarden, Daniel P. Miller