Granted Patent
Utility
US 6,802,839 · App. 10/235,034
Apparatus and method for shielding tissue during tumor ablation
Inventor:
Robert S. Behl
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: Sep 3, 2002
Inventor
Robert S. Behl
Assignee (at issue)
Radiotherapeutics Corporation
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.