Granted Patent
Utility
US 6,589,482 · App. 09/512,927
Extracorporeal circuits for performing hemofiltration employing pressure sensing without an air interface
Inventors:
Jeffrey H. Burbank, James M. Brugger, Dennis M. Treu
Patented Case
View Patent ↗
Granted: Jul 8, 2003
Filed: Feb 25, 2000
Inventors
Jeffrey H. Burbank
James M. Brugger
Dennis M. Treu
Assignee (at issue)
NxStage Medical, 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.