Granted Patent
Utility
US 4,605,656 · App. 06/736,061
Pyridine and pyrazine oxime compounds as fungicides
Inventor:
Franz Dorn
Patented Case
View Patent ↗
Granted: Aug 12, 1986
Filed: Oct 21, 1983
Inventor
Franz Dorn
Assignee (at issue)
HOFFMANN-LA ROCHE INC.
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.