Granted Patent
Utility
US 4,386,955 · App. 06/255,514
O-(Substituted phenyl) N-methylcarbamates as herbicide extenders
Inventor:
Daniel L. Hyzak
Patented Case
View Patent ↗
Granted: Jun 7, 1983
Filed: Apr 20, 1981
Inventor
Daniel L. Hyzak
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.