Granted Patent
Utility
US 5,619,523 · App. 08/524,956
Semiconductor distributed feedback laser diode
Inventors:
John C. Connolly, Joseph H. Abeles, Nancy Ann Morris
Patented Case
View Patent ↗
Granted: Apr 8, 1997
Filed: Sep 8, 1995
Inventors
John C. Connolly
Joseph H. Abeles
Nancy Ann Morris
Assignee (at issue)
David Sarnoff Research Center Inc.
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.