Granted Patent
Utility
US 5,222,971 · App. 07/594,121
Temporary stent and methods for use and manufacture
Inventors:
Lloyd K. Willard, Dale Schmaltz
Patented Case
View Patent ↗
Granted: Jun 29, 1993
Filed: Oct 9, 1990
Inventors
Lloyd K. Willard
Dale Schmaltz
Assignee (at issue)
Scimed Life Systems, 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.