Granted Patent
Utility
US 6,674,778 · App. 10/044,488
Electrically pumped edge-emitting photonic bandgap semiconductor laser
Inventors:
Shawn-Yu Lin, Walter J. Zubrzycki
Patented Case
View Patent ↗
Granted: Jan 6, 2004
Filed: Jan 9, 2002
Inventors
Shawn-Yu Lin
Walter J. Zubrzycki
Assignee (at issue)
Sandia 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.