Granted Patent
Utility
US 4,971,617 · App. 07/327,499
Herbicidal oil in water combination compositions of imidazolinone herbicides
Inventors:
Craig A. Martin, Jerry L. Johnson
Patented Case
View Patent ↗
Granted: Nov 20, 1990
Filed: Mar 23, 1989
Inventors
Craig A. Martin
Jerry L. Johnson
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.