Granted Patent
Utility
US 6,821,291 · App. 09/904,926
Retrievable stent and method of use thereof
Inventors:
Stephen L. Bolea, Robert L. Rykhus, Sidney F. Hauschild, Johann J. Neisz, Mark Polyak, Bradford G. Staehle
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Jul 13, 2001
Inventors
Stephen L. Bolea
Robert L. Rykhus
Sidney F. Hauschild
Johann J. Neisz
Mark Polyak
Bradford G. Staehle
Assignee (at issue)
AMS Research Corporation
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.