Granted Patent
Utility
US 5,082,746 · App. 07/511,653
As-continuously cast beam blank and method for casting continuously cast beam blank
Inventors:
Gordon E. Forward, Libor F. Rostik, Lloyd M. Schmelzle
Patented Case
View Patent ↗
Granted: Jan 21, 1992
Filed: Apr 20, 1990
Inventors
Gordon E. Forward
Libor F. Rostik
Lloyd M. Schmelzle
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.