Granted Patent
Utility
US 6,396,602 · App. 08/982,734
Optical switching unit, particularly for switching to standby components in optical transmission systems
Inventors:
Manfred Kaiser, Frank Hehl, Rainer Hausser, Jürgen Anhorn
Patented Case
View Patent ↗
Granted: May 28, 2002
Filed: Dec 2, 1997
Inventors
Manfred Kaiser
Frank Hehl
Rainer Hausser
Jürgen Anhorn
Assignee (at issue)
ALCATEL
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.