Granted Patent
Utility
US 6,459,768 · App. 09/680,924
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Inventors:
Thomas J. Koller, Charles Lynn Chidester, Mark Alan Heber
Patented Case
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Granted: Oct 1, 2002
Filed: Oct 6, 2000
Inventors
Thomas J. Koller
Charles Lynn Chidester
Mark Alan Heber
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.