Granted Patent
Utility
US 4,283,395 · App. 06/133,066
S-Alkyl and alkenyl-thiophenylacetamido thiophosphates and phosphonates and method of controlling insects
Inventor:
Llewellyn W. Fancher
Patented Case
View Patent ↗
Granted: Aug 11, 1981
Filed: Mar 24, 1980
Inventor
Llewellyn W. Fancher
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.