Granted Patent
Utility
US 5,745,614 · App. 08/715,416
Optical mode filter
Inventors:
Peter Kersten, Johannes Koppenborg, Jaakko Aarnio
Patented Case
View Patent ↗
Granted: Apr 28, 1998
Filed: Sep 18, 1996
Inventors
Peter Kersten
Johannes Koppenborg
Jaakko Aarnio
Assignee (at issue)
Alcatel N.V.
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.