Granted Patent
Utility
US 4,609,399 · App. 06/668,790
Substituted 4,6-alkoxy pyridinecarboxylate compounds and herbicidal use
Inventor:
Len F. Lee
Patented Case
View Patent ↗
Granted: Sep 2, 1986
Filed: Nov 6, 1984
Inventor
Len F. Lee
Assignee (at issue)
Monsanto 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.