Granted Patent
Utility
US 6,830,553 · App. 09/513,910
Blood treatment systems and methods that maintain sterile extracorporeal processing conditions
Inventors:
Jeffrey H. Burbank, James M. Brugger, Dennis M. Treu, C. David Finch
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: Feb 25, 2000
Inventors
Jeffrey H. Burbank
James M. Brugger
Dennis M. Treu
C. David Finch
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.