Granted Patent
Utility
US 4,701,457 · App. 06/570,620
Amidinoureas for treating irritable bowel syndrome
Inventors:
John Yelnosky, Ghulam N. Mir
Patented Case
View Patent ↗
Granted: Oct 20, 1987
Filed: Jan 13, 1984
Inventors
John Yelnosky
Ghulam N. Mir
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.