Granted Patent
Utility
US 5,335,663 · App. 07/989,515
Laparoscopic probes and probe sheaths useful in ultrasonic imaging applications
Inventors:
Clyde G. Oakley, Lawrence J. Busse, Dennis R. Dietz, John Shishilla, Joseph V. Ranalletta
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: Dec 11, 1992
Inventors
Clyde G. Oakley
Lawrence J. Busse
Dennis R. Dietz
John Shishilla
Joseph V. Ranalletta
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.