Granted Patent
Utility
US 4,651,802 · App. 06/825,499
Attachment for connecting endwall mold face to continuous caster mold support
Inventor:
Wilmer C. Wrhen
Patented Case
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Granted: Mar 24, 1987
Filed: Feb 3, 1986
Inventor
Wilmer C. Wrhen
Assignee (at issue)
United States Steel Corporation
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.