Granted Patent
Utility
US 5,759,174 · App. 08/790,447
Angioplasty balloon with an expandable external radiopaque marker band
Inventors:
Robert E. Fischell, David R. Fischell, Tim A. Fischell
Patented Case
View Patent ↗
Granted: Jun 2, 1998
Filed: Jan 29, 1997
Inventors
Robert E. Fischell
David R. Fischell
Tim A. Fischell
Assignee (at issue)
Cathco, 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.