Granted Patent
Utility
US 5,283,230 · App. 08/036,120
5-heterocyclic 2-(2-imidazolin-2-yl)-pyridines as herbicides
Inventor:
John Finn
Patented Case
View Patent ↗
Granted: Feb 1, 1994
Filed: Mar 23, 1993
Inventor
John Finn
Assignee (at issue)
American Cyanamid 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.