Granted Patent
Utility
US 6,517,522 · App. 09/541,282
Tubular intravenous set
Inventors:
David Bell, William J. Schnell, David S. Utterberg
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: Apr 3, 2000
Inventors
David Bell
William J. Schnell
David S. Utterberg
Assignee (at issue)
DSU Medical Corp.
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.