Granted Patent
Utility
US 4,356,022 · App. 06/227,018
S-Alkyl and alkenyl-thiophenylacetamido thiophosphates and phosphonates as plant growth regulants
Inventor:
Llewellyn W. Fancher
Patented Case
View Patent ↗
Granted: Oct 26, 1982
Filed: Jan 21, 1981
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.