Granted Patent
Utility
US 5,512,316 · App. 08/226,206
Method of protecting ladle linings
Inventors:
Julie A. Dody, Charles R. Rumpeltin, Jr.
Patented Case
View Patent ↗
Granted: Apr 30, 1996
Filed: Apr 11, 1994
Inventors
Julie A. Dody
Charles R. Rumpeltin, Jr.
Assignee (at issue)
Minerals Technologies 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.