Granted Patent
Utility
US 4,404,016 · App. 06/306,055
Composition and method for controlling growth of tobacco suckers
Inventors:
Thomas C. Zinninger, Joseph Deli
Patented Case
View Patent ↗
Granted: Sep 13, 1983
Filed: Sep 28, 1981
Inventors
Thomas C. Zinninger
Joseph Deli
Assignee (at issue)
PPG Industries, 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.