Granted Patent
Utility
US 4,544,651 · App. 06/600,660
S-2-(Carboalkoxyvinyl) trithiophosphonate insecticides
Inventors:
Charles G. Chavdarian, William G. Haag
Patented Case
View Patent ↗
Granted: Oct 1, 1985
Filed: Apr 16, 1984
Inventors
Charles G. Chavdarian
William G. Haag
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.