Granted Patent
Utility
US 6,579,831 · App. 10/060,540
Liquid herbicidal compositions and use thereof in a granular herbicide
Inventor:
Conrad Harwell
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: Jan 30, 2002
Inventor
Conrad Harwell
Assignee (at issue)
NUFARM AMERICAS 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.