Granted Patent
Utility
US 4,964,896 · App. 07/232,517
Certain-2,6-diphenyl-1,4-dihydro-4-oxo-nicotinates which are useful for inducing male sterility in cereal grain plants
Inventor:
Glenn Richard Carlson
Patented Case
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Granted: Oct 23, 1990
Filed: Aug 15, 1988
Inventor
Glenn Richard Carlson
Assignee (at issue)
Monsanto 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.