Granted Patent
Utility
US 4,597,048 · App. 06/530,164
Digital flow regulation of liquid-level control for a continuous casting mold
Inventors:
Chester C. Mazur, James H. Wilson
Patented Case
View Patent ↗
Granted: Jun 24, 1986
Filed: Sep 7, 1983
Inventors
Chester C. Mazur
James H. Wilson
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.