Granted Patent
Utility
US 4,871,753 · App. 07/130,833
3-Phenyl-5-trifluoromethyl-1,2,4-oxadiazole compounds which are useful pesticides
Inventor:
Otto Rohr
Patented Case
View Patent ↗
Granted: Oct 3, 1989
Filed: Dec 9, 1987
Inventor
Otto Rohr
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.