Granted Patent
Utility
US 5,364,932 · App. 07/918,610
Pasteurizable, freeze-driable hemoglobin-based blood substitute
Inventor:
Jen-Chang Hsia
Patented Case
View Patent ↗
Granted: Nov 15, 1994
Filed: Jul 27, 1992
Inventor
Jen-Chang Hsia
Assignee (at issue)
Her Majesty the Queen in right of Canada, as represented by the Minister of National Defence of Her Majesty's Canadian Government
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.