Granted Patent
Utility
US 6,147,786 · App. 09/027,259
Hybrid analog/digital WDM access network with mini-digital optical node
Inventor:
Jin Pan
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: Feb 20, 1998
Inventor
Jin Pan
Assignee (at issue)
Nokia Telecommunications Oy
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.