Granted Patent
Utility
US 4,657,584 · App. 06/703,586
Effect of MgO source on sinter properties
Inventors:
Eugene A. Bogdan, Eugene N. Silverman
Patented Case
View Patent ↗
Granted: Apr 14, 1987
Filed: Feb 20, 1985
Inventors
Eugene A. Bogdan
Eugene N. Silverman
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.