Granted Patent
Utility
US 4,704,401 · App. 06/678,639
Substituted phenyl amidinoureas
Inventors:
William L. Studt, Richard L. Riley, George H. Douglas
Patented Case
View Patent ↗
Granted: Nov 3, 1987
Filed: Dec 6, 1984
Inventors
William L. Studt
Richard L. Riley
George H. Douglas
Assignee (at issue)
Rorer Pharmaceutical Corporation
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.