Granted Patent
Utility
US 4,789,395 · App. 06/862,340
5-sulfur substituted pyridine monocarboxylic herbicides
Inventors:
Len F. Lee, Kerry L. Spear, Mark G. Dolson
Patented Case
View Patent ↗
Granted: Dec 6, 1988
Filed: May 12, 1986
Inventors
Len F. Lee
Kerry L. Spear
Mark G. Dolson
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.