Granted Patent
Utility
US 5,643,312 · App. 08/202,128
Stent having a multiplicity of closed circular structures
Inventors:
Robert E. Fischell, David R. Fischell, Tim A. Fischell
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: Feb 25, 1994
Inventors
Robert E. Fischell
David R. Fischell
Tim A. Fischell
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.