Granted Patent
Utility
US 5,668,821 · App. 08/586,414
Optical systems and devices employing spectrally flattened amplified spontaneous emission
Inventors:
Craig W. Hodgson, Ashish Madhukar Vengsarkar
Patented Case
View Patent ↗
Granted: Sep 16, 1997
Filed: Jan 16, 1996
Inventors
Craig W. Hodgson
Ashish Madhukar Vengsarkar
Assignee (at issue)
LUCENT TECHNOLOGIES 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.