Granted Patent
Utility
US 4,766,949 · App. 07/048,097
Hot box process for preparing foundry shapes
Inventors:
Satish S. Jhaveri, William R. Dunnavant, James T. Schneider
Patented Case
View Patent ↗
Granted: Aug 30, 1988
Filed: May 8, 1987
Inventors
Satish S. Jhaveri
William R. Dunnavant
James T. Schneider
Assignee (at issue)
Ashland Oil, 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.