Granted Patent
Utility
US 5,325,404 · App. 07/836,492
Synchronization device for performing synchronous circuit switching functions thru an asynchronous communication node
Inventors:
Jean-Claude Bigey, Jean Calvignac, Jean-Christophe Debos, Rene Gallezot, Eric Saint-Georges
Patented Case
View Patent ↗
Granted: Jun 28, 1994
Filed: Feb 18, 1992
Inventors
Jean-Claude Bigey
Jean Calvignac
Jean-Christophe Debos
Rene Gallezot
Eric Saint-Georges
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.