Granted Patent
Utility
US 4,380,467 · App. 06/243,008
Amine oxanilic acid salts as herbicide extenders
Inventor:
Rayman Y. Wong
Patented Case
View Patent ↗
Granted: Apr 19, 1983
Filed: Mar 12, 1981
Inventor
Rayman Y. Wong
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.