Granted Patent
Utility
US 4,866,052 · App. 07/124,115
Treatment of sickle cell disease
Inventors:
Robert C. Hider, Ernst R. Huehns
Patented Case
View Patent ↗
Granted: Sep 12, 1989
Filed: Nov 2, 1987
Inventors
Robert C. Hider
Ernst R. Huehns
Assignee (at issue)
NATIONAL RESEARCH DEVELOPMENT CORPORATION
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.