Granted Patent
Utility
US 4,802,912 · App. 06/566,009
Herbicide antidotes
Inventor:
Don R. Baker
Patented Case
View Patent ↗
Granted: Feb 7, 1989
Filed: Dec 27, 1983
Inventor
Don R. Baker
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.