Granted Patent
Utility
US 4,874,581 · App. 07/216,070
O.sub.2 /CO.sub.2 control in blood oxygenators
Inventors:
Karl Sutherland, Matthew Jenusaitia
Patented Case
View Patent ↗
Granted: Oct 17, 1989
Filed: Jul 7, 1988
Inventors
Karl Sutherland
Matthew Jenusaitia
Assignee (at issue)
Baxter International 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.