Granted Patent
Utility
US 4,765,331 · App. 07/013,246
Electrosurgical device with treatment arc of less than 360 degrees
Inventors:
Claude E. Petruzzi, Robert H. Quint, Frank D'Amelio, Dominick G. Esposito
Patented Case
View Patent ↗
Granted: Aug 23, 1988
Filed: Feb 10, 1987
Inventors
Claude E. Petruzzi
Robert H. Quint
Frank D'Amelio
Dominick G. Esposito
Assignee (at issue)
Circon 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.