Granted Patent
Utility
US 4,497,648 · App. 06/407,668
Oxime derivatives for protecting plant crops
Inventor:
Henry Szczepanski
Patented Case
View Patent ↗
Granted: Feb 5, 1985
Filed: Aug 12, 1982
Inventor
Henry Szczepanski
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.