Granted Patent
Utility
US 4,420,323 · App. 06/376,489
Thiophosphoryl carbamate herbicide antidotes
Inventor:
Edmund J. Gaughan
Patented Case
View Patent ↗
Granted: Dec 13, 1983
Filed: May 10, 1982
Inventor
Edmund J. Gaughan
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.