Granted Patent
Utility
US 6,704,136 · App. 10/052,198
Pumping source having a plurality of regulated pump lasers for broadband optical amplification of WDM signal
Inventor:
Richard Neuhauser
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: Jan 16, 2002
Inventor
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.