Granted Patent
Utility
US 4,332,612 · App. 06/165,446
Plant growth promoting composition
Inventor:
Michael J. Brown
Patented Case
View Patent ↗
Granted: Jun 1, 1982
Filed: Jul 2, 1980
Inventor
Michael J. Brown
Assignee (at issue)
GAF Corporation
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.