Granted Patent
Utility
US 5,437,283 · App. 08/228,507
Endosurgical ultrasonic probe with integrated biopsy actuator
Inventors:
Joseph V. Ranalletta, Dennis R. Dietz, Clyde G. Oakley
Patented Case
View Patent ↗
Granted: Aug 1, 1995
Filed: Apr 15, 1994
Inventors
Joseph V. Ranalletta
Dennis R. Dietz
Clyde G. Oakley
Assignee (at issue)
Tetrad 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.