Granted Patent
Utility
US 4,468,244 · App. 06/447,838
Herbicidally active benzoxazolyloxy benzoate derivatives
Inventors:
Dennis K. Krass, Sidney B. Richter
Patented Case
View Patent ↗
Granted: Aug 28, 1984
Filed: Dec 8, 1982
Inventors
Dennis K. Krass
Sidney B. Richter
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.