Granted Patent
Utility
US 5,647,035 · App. 08/531,851
Ring network communication structure on an optical carrier and reconfigurable node for said structure
Inventors:
Roberto Cadeddu, Riccardo Calvani, Giuseppe Ferraris, Roberto Lano, Emilio Vezzoni
Patented Case
View Patent ↗
Granted: Jul 8, 1997
Filed: Sep 21, 1995
Inventors
Roberto Cadeddu
Riccardo Calvani
Giuseppe Ferraris
Roberto Lano
Emilio Vezzoni
Assignee (at issue)
CSELT-Cento Studi E Laborati Telecomunicazioni S.p.A.
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.