Granted Patent
Utility
US 5,828,477 · App. 08/559,057
Multi-tone phase modulation for light wave communication system
Inventors:
Alan C. Nilsson, Chien-Yu Kuo, Joseph Kleefeld, Charles H. Gall, Alfred Riddle, Harry Chou
Patented Case
View Patent ↗
Granted: Oct 27, 1998
Filed: Nov 16, 1995
Inventors
Alan C. Nilsson
Chien-Yu Kuo
Joseph Kleefeld
Charles H. Gall
Alfred Riddle
Harry Chou
Assignee (at issue)
Harmonic Lightwaves
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.