Granted Patent
Utility
US 6,189,859 · App. 09/230,669
Indwelling catheter valve
Inventors:
John Rohrbough, Michael Olichney
Patented Case
View Patent ↗
Granted: Feb 20, 2001
Filed: Jan 29, 1999
Inventors
John Rohrbough
Michael Olichney
Assignee (at issue)
Faulding 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.