Granted Patent
Utility
US 4,528,022 · App. 06/552,239
Defoliating composition
Inventors:
Allen R. Blem, James A. McGuinness
Patented Case
View Patent ↗
Granted: Jul 9, 1985
Filed: Nov 15, 1983
Inventors
Allen R. Blem
James A. McGuinness
Assignee (at issue)
Uniroyal Ltd.
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.