Granted Patent
Utility
US 6,816,296 · App. 10/140,083
Optical switching network and network node and method of optical switching
Inventor:
Alexander B. Romanovsky
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: May 6, 2002
Inventor
Alexander B. Romanovsky
Assignee (at issue)
Teloptics, Corporation
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.