Granted Patent
Utility
US 5,222,938 · App. 07/861,224
Method for thermal ablation of hollow body organs
Inventor:
Robert S. Behl
Patented Case
View Patent ↗
Granted: Jun 29, 1993
Filed: Mar 31, 1992
Inventor
Robert S. Behl
Assignee (at issue)
Interventional Thermodynamics, 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.