Granted Patent
Utility
US 4,261,985 · App. 06/094,266
Novel diuretics
Inventor:
Michel Biollaz
Patented Case
View Patent ↗
Granted: Apr 14, 1981
Filed: Nov 14, 1979
Inventor
Michel Biollaz
Assignee (at issue)
Ciba-Geigy
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.