Granted Patent
Utility
US 4,240,819 · App. 05/221,803
Method for the inhibition of plant growth
Inventors:
Charles D. Fritz, Wilbur F. Evans, Anson R. Cooke
Patented Case
View Patent ↗
Granted: Dec 23, 1980
Filed: Jan 28, 1972
Inventors
Charles D. Fritz
Wilbur F. Evans
Anson R. Cooke
Assignee (at issue)
Union Carbide Agricultural Products Company, 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.