Granted Patent
Utility
US 4,383,098 · App. 06/282,409
Catalysts and binder systems for manufacturing sandshapes
Inventor:
James E. Menting
Patented Case
View Patent ↗
Granted: May 10, 1983
Filed: Jul 13, 1981
Inventor
James E. Menting
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.