Granted Patent
Utility
US 4,881,938 · App. 07/017,036
Method and an apparatus for treating a part of the body with radioactive material
Inventor:
Eric van't Hooft
Patented Case
View Patent ↗
Granted: Nov 21, 1989
Filed: Feb 18, 1987
Inventor
Eric van't Hooft
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.