Granted Patent
Utility
US 5,226,887 · App. 07/832,366
Collapsible folding angioplasty balloon
Inventors:
Andrew F. Farr, Herbert R. Radisch, Jr.
Patented Case
View Patent ↗
Granted: Jul 13, 1993
Filed: Feb 7, 1992
Inventors
Andrew F. Farr
Herbert R. Radisch, Jr.
Assignee (at issue)
Interventional Technologies
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.