Granted Patent
Utility
US 4,613,357 · App. 06/674,884
N,N-disubstituted hydroxylamine esters of substituted pyridyloxyphenoxypropionic acids and herbicidal methods of use
Inventors:
Charles G. Carter, David L. Lee
Patented Case
View Patent ↗
Granted: Sep 23, 1986
Filed: Nov 26, 1984
Inventors
Charles G. Carter
David L. Lee
Assignee (at issue)
Stauffer Chemical 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.