Granted Patent
Utility
US 4,565,809 · App. 06/617,210
S-Aralkyltrithiophosphonate insecticides
Inventors:
Charles G. Chavdarian, David B. Kanne
Patented Case
View Patent ↗
Granted: Jan 21, 1986
Filed: Jun 4, 1984
Inventors
Charles G. Chavdarian
David B. Kanne
Assignee (at issue)
Stauffer Chemical 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.