Granted Patent
Utility
US 4,556,562 · App. 06/590,808
Stable anti-pest neem seed extract
Inventor:
Robert O. Larson
Patented Case
View Patent ↗
Granted: Dec 3, 1985
Filed: Mar 19, 1984
Inventor
Robert O. Larson
Assignee (at issue)
Vikwood, 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.