Granted Patent
Utility
US 4,732,447 · App. 06/842,105
Homodyne optical coherent receiver for digital optical signals
Inventors:
Stephen Wright, Anthony Wayne Davis
Patented Case
View Patent ↗
Granted: Mar 22, 1988
Filed: Mar 20, 1986
Inventors
Stephen Wright
Anthony Wayne Davis
Assignee (at issue)
STC PLC
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.