Granted Patent
Utility
US 5,753,173 · App. 08/725,015
Method of manufacturing a blood oxygenation system
Inventors:
Ronald J. Leonard, Erin J. Lindsay, David B. Maurer, Daniel W. Viitala
Patented Case
View Patent ↗
Granted: May 19, 1998
Filed: Oct 2, 1996
Inventors
Ronald J. Leonard
Erin J. Lindsay
David B. Maurer
Daniel W. Viitala
Assignee (at issue)
Minnesota Mining and Manufacturing Company
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.