Granted Patent
Utility
US 6,533,809 · App. 09/774,595
Stent
Inventor:
Randolf von Oepen
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Feb 1, 2001
Inventor
Randolf von Oepen
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.