Granted Patent
Utility
US 5,312,356 · App. 07/527,200
Catheter with low-friction distal segment
Inventors:
Erik T. Engelson, Ivan Sepetka
Patented Case
View Patent ↗
Granted: May 17, 1994
Filed: May 22, 1990
Inventors
Erik T. Engelson
Ivan Sepetka
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.