Granted Patent
Utility
US 4,366,267 · App. 06/217,451
Catalysts and binder systems for manufacturing sand shapes
Inventor:
George S. Everett
Patented Case
View Patent ↗
Granted: Dec 28, 1982
Filed: Dec 17, 1980
Inventor
George S. Everett
Assignee (at issue)
The Quaker Oats 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.