Granted Patent
Utility
US 5,491,576 · App. 08/173,288
Dual-wavelength data transmitter for reducing fading in an optical transmission system
Inventor:
Neal S. Bergano
Patented Case
View Patent ↗
Granted: Feb 13, 1996
Filed: Dec 23, 1993
Inventor
Neal S. Bergano
Assignee (at issue)
AT&T CORP.
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.