Granted Patent
Utility
US 4,884,579 · App. 07/182,870
Catheter guide wire
Inventor:
Erik T. Engelson
Patented Case
View Patent ↗
Granted: Dec 5, 1989
Filed: Apr 18, 1988
Inventor
Erik T. Engelson
Assignee (at issue)
Target Therapeutics, 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.