Granted Patent
Utility
US 6,234,989 · App. 09/067,455
Extracorporeal blood processing methods and apparatus
Inventors:
Mark J. Brierton, Victor D. Dolecek, Leon E. Bilodeau, Russell D. Hempstead
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Apr 28, 1998
Inventors
Mark J. Brierton
Victor D. Dolecek
Leon E. Bilodeau
Russell D. Hempstead
Assignee (at issue)
Gambro, 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.