Granted Patent
Utility
US 6,561,997 · App. 09/553,772
Extracorporeal fluid circuit and related methods
Inventors:
William F. Weitzel, H. David Humes, Emil Presley Paganini, Deborah Buffington, Angela J. Funke
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Apr 21, 2000
Inventors
William F. Weitzel
H. David Humes
Emil Presley Paganini
Deborah Buffington
Angela J. Funke
Assignees (at issue)
THE REGENTS OF THE UNIVERSITY OF MICHIGAN
Nephros 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.