Granted Patent
Utility
US 4,789,397 · App. 07/007,552
Methods of inducing plant growth responses
Inventor:
Fred R. Taylor
Patented Case
View Patent ↗
Granted: Dec 6, 1988
Filed: Jan 28, 1987
Inventor
Fred R. Taylor
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.