Granted Patent
Utility
US 4,481,216 · App. 06/540,571
Control of corn rootworm by application of N-methyl 2-(1-methylethyl)phenylcarbamate
Inventors:
Winchester L. Hubbard, Richard C. Moore
Patented Case
View Patent ↗
Granted: Nov 6, 1984
Filed: Oct 7, 1983
Inventors
Winchester L. Hubbard
Richard C. Moore
Assignee (at issue)
Uniroyal Ltd.
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.