Granted Patent
Utility
US 4,304,587 · App. 06/091,228
Formulations for improved pesticide-fertilizer compositions
Inventor:
Gary L. Cummings
Patented Case
View Patent ↗
Granted: Dec 8, 1981
Filed: Nov 5, 1979
Inventor
Gary L. Cummings
Assignee (at issue)
Stauffer Chemical Company
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.