Granted Patent
Utility
US 5,979,539 · App. 09/163,726
Block fixation and adjustment in a continuous caster
Inventors:
Erich Luginbuhl, Marcel Witschi, Ernst Zurcher
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Sep 30, 1998
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.