Granted Patent
Utility
US 4,721,706 · App. 06/470,828
Controlling grain insects with phosphatides
Inventors:
Terry R. Bessler, Nathan Kessler, Frank T. Orthoefer
Patented Case
View Patent ↗
Granted: Jan 26, 1988
Filed: Feb 28, 1983
Inventors
Terry R. Bessler
Nathan Kessler
Frank T. Orthoefer
Assignee (at issue)
A.E. Staley Manufacturing 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.