Granted Patent
Utility
US 5,557,266 · App. 08/206,363
System for cascading data switches in a communication node
Inventors:
Jean Calvignac, Pierre Huon, Daniel Orsatti, Gilles Toubol, Fabrice Jean Verplanken
Patented Case
View Patent ↗
Granted: Sep 17, 1996
Filed: Mar 7, 1994
Inventors
Jean Calvignac
Pierre Huon
Daniel Orsatti
Gilles Toubol
Fabrice Jean Verplanken
Assignee (at issue)
International Business Machines 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.