Granted Patent
Utility
US 5,840,767 · App. 08/565,782
Perfluorocarbons for biological gas exchange and method
Inventor:
Leland C. Clark, Jr.
Patented Case
View Patent ↗
Granted: Nov 24, 1998
Filed: Dec 1, 1995
Inventor
Leland C. Clark, Jr.
Assignee (at issue)
Synthetic Blood 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.