Granted Patent
Utility
US 5,872,121 · App. 08/915,762
Pesticidal hydrazide derivatives
Inventors:
Mark A. Dekeyser, Paul T. McDonald
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Aug 21, 1997
Inventors
Mark A. Dekeyser
Paul T. McDonald
Assignee (at issue)
Uniroyal Chemical Company, Inc.
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.