Granted Patent
Utility
US 5,015,649 · App. 07/403,844
Plant-protective compositions
Inventor:
Walter Kunz
Patented Case
View Patent ↗
Granted: May 14, 1991
Filed: Sep 1, 1989
Inventor
Walter Kunz
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.