Granted Patent
Utility
US 5,881,798 · App. 08/889,024
Block adjustment in a continuous caster
Inventors:
Erich Luginbuhl, Marcel Witschi, Ernst Zurcher
Patented Case
View Patent ↗
Granted: Mar 16, 1999
Filed: Jul 7, 1997
Inventors
Erich Luginbuhl
Marcel Witschi
Ernst Zurcher
Assignee (at issue)
Golden Aluminum, Inc.
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.