Granted Patent
Utility
US 5,523,427 · App. 08/403,314
Medrogestone production
Inventor:
Michael W. Winkley
Patented Case
View Patent ↗
Granted: Jun 4, 1996
Filed: Mar 14, 1995
Inventor
Michael W. Winkley
Assignee (at issue)
Amerimas Home Products, 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.