Granted Patent
Utility
US 5,984,965 · App. 08/920,300
Anti-reflux reinforced stent
Inventors:
Tracey E. Knapp, John R. Frigstad, Michael J. Magliochetti
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Aug 28, 1997
Inventors
Tracey E. Knapp
John R. Frigstad
Michael J. Magliochetti
Assignee (at issue)
Urosurge, 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.