Granted Patent
Utility
US 6,490,403 · App. 10/121,448
Rolled metal product used as a light-guiding structure
Inventors:
Christian Bartenbach, Roman Fuchs, Jugo Fuhrmann, Jorg Maier
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Apr 12, 2002
Inventors
Christian Bartenbach
Roman Fuchs
Jugo Fuhrmann
Jorg Maier
Assignee (at issue)
Alcan Technology & Management Ltd.
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.