Granted Patent
Utility
US 4,411,266 · App. 06/190,302
Thermocouple radio frequency lesion electrode
Inventor:
Eric R. Cosman
Patented Case
View Patent ↗
Granted: Oct 25, 1983
Filed: Sep 24, 1980
Inventor
Eric R. Cosman
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.