Granted Patent
Utility
US 4,851,402 · App. 07/019,935
Estriol growth promotant
Inventors:
Martin J. Jacobs, John A. Katzenellenbogen
Patented Case
View Patent ↗
Granted: Jul 25, 1989
Filed: Feb 27, 1987
Inventors
Martin J. Jacobs
John A. Katzenellenbogen
Assignee (at issue)
International Minerals & Chemical Corp.
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.