IP Library Granted Patent US 4,457,777
Granted Patent Utility
US 4,457,777 · App. 06/413,872

Steelmaking

Inventors: Ian MacGregor, Robert Scholey, Gene D. Spenceley
Patented Case View Patent ↗
Granted: Jul 3, 1984 Filed: Sep 1, 1982
Inventors
Ian MacGregor
Robert Scholey
Gene D. Spenceley
Assignee (at issue)
British Steel Corporation

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Quick Facts
Patent No.
US 4,457,777
App. No.
06/413,872
Filed
1982-09-01
Granted
1984-07-03
Kind
A