Granted Patent
Utility
US 4,749,404 · App. 06/631,284
Herbicidal liquid concentrate compositions
Inventor:
John Parsons
Patented Case
View Patent ↗
Granted: Jun 7, 1988
Filed: Jul 16, 1984
Inventor
John Parsons
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.