Granted Patent
Utility
US 6,020,355 · App. 09/287,854
Pesticidal tetrazole derivatives
Inventors:
Mark A. Dekeyser, Paul T. McDonald
Patented Case
View Patent ↗
Granted: Feb 1, 2000
Filed: Apr 7, 1999
Inventors
Mark A. Dekeyser
Paul T. McDonald
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.