Granted Patent
Utility
US 4,952,357 · App. 07/229,313
Method of making a polyimide balloon catheter
Inventor:
Charles L. Euteneuer
Patented Case
View Patent ↗
Granted: Aug 28, 1990
Filed: Aug 8, 1988
Inventor
Charles L. Euteneuer
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.