Granted Patent
Utility
US 4,664,699 · App. 06/699,165
Method of improving residual herbicidal activity and compositions
Inventor:
James L. Ahle
Patented Case
View Patent ↗
Granted: May 12, 1987
Filed: Feb 7, 1985
Inventor
James L. Ahle
Assignee (at issue)
Stauffer Chemical Company
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.