Granted Patent
Utility
US 5,314,894 · App. 07/945,032
(S)-(+)-hydroxychloroquine
Inventors:
Vera J. Stecher, William F. Michne
Patented Case
View Patent ↗
Granted: May 24, 1994
Filed: Sep 15, 1992
Inventors
Vera J. Stecher
William F. Michne
Assignee (at issue)
Sterling Winthrop 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.