Granted Patent
Utility
US 5,192,295 · App. 07/540,957
Angioplasty dilatation balloon catheter/guidewire system
Inventors:
John W. Danforth, Jeff L. Kraus, Michael J. Horzewski, Hugh R. Sharkey
Patented Case
View Patent ↗
Granted: Mar 9, 1993
Filed: Jun 20, 1990
Inventors
John W. Danforth
Jeff L. Kraus
Michael J. Horzewski
Hugh R. Sharkey
Assignee (at issue)
Danforth Biomedical, 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.