Granted Patent
Utility
US 6,517,508 · App. 09/432,555
Set for blood processing
Inventors:
David S. Utterberg, William J. Schnell, Keith Andrews
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: Nov 3, 1999
Inventors
David S. Utterberg
William J. Schnell
Keith Andrews
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.