Granted Patent
Utility
US 5,117,831 · App. 07/500,641
Vascular catheter having tandem imaging and dilatation components
Inventors:
Yue-Teh Jang, Eugene E. Jennings
Patented Case
View Patent ↗
Granted: Jun 2, 1992
Filed: Mar 28, 1990
Inventors
Yue-Teh Jang
Eugene E. Jennings
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.