Granted Patent
Utility
US 4,288,384 · App. 06/073,392
N-Cyanoalkyl haloacetamides herbicidal antidotes
Inventor:
Francis H. Walker
Patented Case
View Patent ↗
Granted: Sep 8, 1981
Filed: Sep 7, 1979
Inventor
Francis H. Walker
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.