Granted Patent
Utility
US 6,280,441 · App. 08/990,377
Apparatus and method for RF lesioning
Inventor:
Thomas Ryan
Patented Case
View Patent ↗
Granted: Aug 28, 2001
Filed: Dec 15, 1997
Inventor
Thomas Ryan
Assignee (at issue)
SHERWOOD SERVICES AG
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.