Granted Patent
Utility
US 3,960,542 · App. 05/559,196
Herbicidal 2-sulfinyl and 2-sulfonyl pyridine N-oxide derivatives
Inventors:
Howard L. Plant, Allyn R. Bell
Patented Case
View Patent ↗
Granted: Jun 1, 1976
Filed: Mar 17, 1975
Inventors
Howard L. Plant
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.