Granted Patent
Utility
US 6,788,850 · App. 10/135,678
Configuration for multiplexing and/or demultiplexing the signals of at least two optical wavelength channels
Inventors:
Helmut Albrecht, Ingo Baumann, Gerhard Heise, Zhan Gao
Patented Case
View Patent ↗
Granted: Sep 7, 2004
Filed: Apr 30, 2002
Inventors
Helmut Albrecht
Ingo Baumann
Gerhard Heise
Zhan Gao
Assignee (at issue)
Infineon Technologies AG
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.