Granted Patent
Utility
US 4,609,649 · App. 06/757,700
Pesticidal compositions employing a synergistic combination of endosulfan and profenofos
Inventor:
Volker Dittrich
Patented Case
View Patent ↗
Granted: Sep 2, 1986
Filed: Jul 22, 1985
Inventor
Volker Dittrich
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.