Granted Patent
Utility
US 4,894,084 · App. 07/138,975
Substituted quinolinonyl and dihydroquinolinonyl triazolinone herbicides
Inventor:
George Theodoridis
Patented Case
View Patent ↗
Granted: Jan 16, 1990
Filed: Dec 29, 1987
Inventor
George Theodoridis
Assignee (at issue)
FMC CORPORATION
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.