Granted Patent
Utility
US 6,722,793 · App. 09/922,477
Optical bidirectional transceiver module having a pin element with integrated WDM filter
Inventors:
Hans-Ludwig Althaus, Gerhard Kuhn, Alfred Hartl, Markus Wicke
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Aug 3, 2001
Inventors
Hans-Ludwig Althaus
Gerhard Kuhn
Alfred Hartl
Markus Wicke
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.