Granted Patent
Utility
US 5,143,539 · App. 07/690,188
Method and composition for protecting plants against injury from the interaction of an organophosphate insecticide-nematicide and an AHAS inhibiting herbicide
Inventor:
James B. Lovell
Patented Case
View Patent ↗
Granted: Sep 1, 1992
Filed: Apr 18, 1991
Inventor
James B. Lovell
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.