Granted Patent
Utility
US 5,409,454 · App. 08/236,249
Apparatus for atherectomy
Inventors:
Robert E. Fischell, James J. Thompson, David R. Fischell, Richard L. Harding, Tim A. Fischell
Patented Case
View Patent ↗
Granted: Apr 25, 1995
Filed: May 2, 1994
Inventors
Robert E. Fischell
James J. Thompson
David R. Fischell
Richard L. Harding
Tim A. Fischell
Assignee (at issue)
Arrow International Investment Corp.
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.