Granted Patent
Utility
US 5,489,413 · App. 08/261,308
Hollow fiber blood oxygenator
Inventors:
Gary A. Carson, Robert E. Doty, Michael R. Hoglund, James D. Isaacson
Patented Case
View Patent ↗
Granted: Feb 6, 1996
Filed: Jun 16, 1994
Inventors
Gary A. Carson
Robert E. Doty
Michael R. Hoglund
James D. Isaacson
Assignee (at issue)
Cobe Laboratories, 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.