Granted Patent
Utility
US 5,776,890 · App. 08/453,666
Hemoglobins with intersubunit disulfide bonds
Inventors:
Stephen J. Hoffman, Kiyoshi Nagai
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: May 30, 1995
Inventors
Stephen J. Hoffman
Kiyoshi Nagai
Assignee (at issue)
Somatogen, 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.