Granted Patent
Utility
US 4,339,438 · App. 06/042,550
Injectable male animal sterilant for selectively controlling the function of testes
Inventor:
Mostafa S. Fahim
Patented Case
View Patent ↗
Granted: Jul 13, 1982
Filed: May 25, 1979
Inventor
Mostafa S. Fahim
Assignee (at issue)
The Curators of the University of Missouri
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.