Granted Patent
Utility
US 4,883,914 · App. 07/214,507
Benzenesulfonyl carboxamide compounds useful as herbicidal agents
Inventors:
Sergio I. Alvarado, Alvin D. Crews, Jr., Peter J. Wepplo, Robert F. Doehner, Jr., Thomas E. Brady, David M. Gange, Desiree L. Little
Patented Case
View Patent ↗
Granted: Nov 28, 1989
Filed: Jul 7, 1988
Inventors
Sergio I. Alvarado
Alvin D. Crews, Jr.
Peter J. Wepplo
Robert F. Doehner, Jr.
Thomas E. Brady
David M. Gange
Desiree L. Little
Assignee (at issue)
American Cyanamid 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.