Granted Patent
Utility
US 4,552,870 · App. 06/732,338
S-Dithiocarbamoylmethyl trithiophosphonate insecticides, compositions and use
Inventors:
William G. Haag, Charles G. Chavdarian
Patented Case
View Patent ↗
Granted: Nov 12, 1985
Filed: May 10, 1985
Inventors
William G. Haag
Charles G. Chavdarian
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.