Granted Patent
Utility
US 6,556,341 · App. 09/990,735
Optical transmission system having cascaded raman
Inventors:
Peter Krummrich, Richard Neuhauser
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Nov 21, 2001
Inventors
Peter Krummrich
Richard Neuhauser
Assignee (at issue)
Siemens Aktiengesellschaft
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.