Granted Patent
Utility
US 4,518,601 · App. 06/502,859
2-(3-Pyridyl)-1,3,4-oxadiazoles and use thereof in pest control
Inventors:
Odd Kristiansen, Jozef Drabek
Patented Case
View Patent ↗
Granted: May 21, 1985
Filed: Jun 9, 1983
Inventors
Odd Kristiansen
Jozef Drabek
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.