Granted Patent
Utility
US 6,490,340 · App. 09/888,858
X-ray generating apparatus
Inventors:
Christopher F. Artig, Gary Virshup, John E. Richardson
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Jun 25, 2001
Inventors
Christopher F. Artig
Gary Virshup
John E. Richardson
Assignee (at issue)
VARIAN MEDICAL 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.