Granted Patent
Utility
US 4,655,816 · App. 06/768,660
Herbicidal 2-trifluoromethyl 3-pyridine carboxylic acid derivatives
Inventors:
Len F. Lee, Maria L. Miller
Patented Case
View Patent ↗
Granted: Apr 7, 1987
Filed: Aug 27, 1985
Inventors
Len F. Lee
Maria L. Miller
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.