Granted Patent
Utility
US 4,689,413 · App. 06/697,089
Triazolo-benzodiazepine-1-ethanamines as diuretics
Inventors:
Jackson B. Hester, Jr., James H. Ludens
Patented Case
View Patent ↗
Granted: Aug 25, 1987
Filed: Jan 31, 1985
Inventors
Jackson B. Hester, Jr.
James H. Ludens
Assignee (at issue)
The Upjohn Co.
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.