Granted Patent
Utility
US 4,900,862 · App. 06/479,602
Herbicidally active substituted diphenyl ether oxime derivatives
Inventor:
James A. Schwindeman
Patented Case
View Patent ↗
Granted: Feb 13, 1990
Filed: Mar 28, 1983
Inventor
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.