Granted Patent
Utility
US 4,243,745 · App. 06/033,365
Electrolytic production of active diazine species
Inventor:
Michael W. Fry
Patented Case
View Patent ↗
Granted: Jan 6, 1981
Filed: Apr 25, 1979
Inventor
Michael W. Fry
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.