Granted Patent
Utility
US 5,674,913 · App. 08/242,310
Method for assisting normal breathing in a mammal having a lung disorder
Inventor:
Leland C. Clark, Jr.
Patented Case
View Patent ↗
Granted: Oct 7, 1997
Filed: May 13, 1994
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.