Granted Patent
Utility
US 4,427,699 · App. 06/410,188
Imidoyl thioureas as used to control tobacco budworm
Inventor:
David L. Lee
Patented Case
View Patent ↗
Granted: Jan 24, 1984
Filed: Aug 23, 1982
Inventor
David L. Lee
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.