Granted Patent
Utility
US 4,881,937 · App. 07/071,835
Method of treating a part of the body with radioactive material and a trolley for use therein
Inventors:
Eric van't Hooft, Libbe van Zwol
Patented Case
View Patent ↗
Granted: Nov 21, 1989
Filed: Jul 10, 1987
Inventors
Eric van't Hooft
Libbe van Zwol
Assignee (at issue)
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.