Granted Patent
Utility
US 6,236,713 · App. 09/179,805
X-ray tube providing variable imaging spot size
Inventors:
Richard B. True, James Christopher Taylor, Christopher P. Ferrari, Curtis G. Allen, Thomas M. Bemis
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Oct 27, 1998
Inventors
Richard B. True
James Christopher Taylor
Christopher P. Ferrari
Curtis G. Allen
Thomas M. Bemis
Assignee (at issue)
Litton Systems, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.