Granted Patent
Utility
US 5,154,722 · App. 07/583,187
Electrohydraulic probe having a controlled discharge path
Inventors:
Mihail Filip, Frank D'Amelio
Patented Case
View Patent ↗
Granted: Oct 13, 1992
Filed: Sep 14, 1990
Inventors
Mihail Filip
Frank D'Amelio
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.