Granted Patent
Utility
US 5,288,717 · App. 07/984,741
Alkali metal 8,9-dehydroestrone sulfate esters
Inventors:
Panolil Raveendranath, John A. Wichtowski
Patented Case
View Patent ↗
Granted: Feb 22, 1994
Filed: Dec 3, 1992
Inventors
Panolil Raveendranath
John A. Wichtowski
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.