Granted Patent
Utility
US 5,192,307 · App. 07/831,354
Angioplasty stent
Inventor:
W. Henry Wall
Patented Case
View Patent ↗
Granted: Mar 9, 1993
Filed: Feb 5, 1992
Inventor
W. Henry Wall
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.