Granted Patent
Utility
US 4,530,102 · App. 06/525,638
Lancing in electric arc steelmaking
Inventors:
Steven S. Baker, Peter Webb, John B. Clarke
Patented Case
View Patent ↗
Granted: Jul 16, 1985
Filed: Aug 23, 1983
Inventors
Steven S. Baker
Peter Webb
John B. Clarke
Assignee (at issue)
British 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.