Granted Patent
Utility
US 5,100,461 · App. 07/611,809
Substituted 2,6-substituted pyridine compounds having herbicidal activity
Inventors:
Yuen-Lung L. Sing, Len F. Lee
Patented Case
View Patent ↗
Granted: Mar 31, 1992
Filed: Nov 13, 1990
Inventors
Yuen-Lung L. Sing
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.