Granted Patent
Utility
US 5,871,437 · App. 08/762,739
Radioactive stent for treating blood vessels to prevent restenosis
Inventor:
Eckhard Alt
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Dec 10, 1996
Inventor
Eckhard Alt
Assignee (at issue)
Inflow Dynamics, 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.