Granted Patent
Utility
US 4,456,470 · App. 06/417,006
Herbicidal 2-(alpha-chloromethylsulfonyl) pyridine-1-oxides
Inventors:
Arthur M. P. Doweyko, Richard R. Regis, Allyn R. Bell
Patented Case
View Patent ↗
Granted: Jun 26, 1984
Filed: Sep 13, 1982
Inventors
Arthur M. P. Doweyko
Richard R. Regis
Allyn R. Bell
Assignee (at issue)
Uniroyal Ltd.
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.