Granted Patent
Utility
US 5,166,531 · App. 07/740,164
Leaf-end configuration for multileaf collimator
Inventor:
Calvin J. Huntzinger
Patented Case
View Patent ↗
Granted: Nov 24, 1992
Filed: Aug 5, 1991
Inventor
Calvin J. Huntzinger
Assignee (at issue)
Varian, 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.