Granted Patent
Utility
US 6,574,256 · App. 09/487,409
Distributed feedback laser fabricated by lateral overgrowth of an active region
Inventors:
Daniel Hofstetter, Thomas L. Paoli, Linda Romano, Decai Sun, David P. Bour, Michael A. Kneissl, Chris G. Van de Walle, Noble M. Johnson
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Jan 18, 2000
Inventors
Daniel Hofstetter
Thomas L. Paoli
Linda Romano
Decai Sun
David P. Bour
Michael A. Kneissl
Chris G. Van de Walle
Noble M. Johnson
Assignee (at issue)
Xerox Corporation
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.