Granted Patent
Utility
US 5,000,185 · App. 07/290,533
Method for intravascular two-dimensional ultrasonography and recanalization
Inventor:
Paul G. Yock
Patented Case
View Patent ↗
Granted: Mar 19, 1991
Filed: Dec 23, 1988
Inventor
Paul G. Yock
Assignee (at issue)
Cardiovascular Imaging Systems, Inc.
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.