Granted Patent
Utility
US 6,149,294 · App. 08/982,167
System for the preparation of a fluid concentrate intended for medical use
Inventors:
Lennart Jonsson, Stefan Knutsson
Patented Case
View Patent ↗
Granted: Nov 21, 2000
Filed: Dec 1, 1997
Inventors
Lennart Jonsson
Stefan Knutsson
Assignee (at issue)
Gambro AB
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.