Granted Patent
Utility
US 4,911,754 · App. 07/074,106
Herbicidally active aryloxy saturated 5-membered benzo fused hetero-cyclic compounds
Inventors:
David Hunt, James A. Schwindeman
Patented Case
View Patent ↗
Granted: Mar 27, 1990
Filed: Jul 16, 1987
Inventors
David Hunt
James A. Schwindeman
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.