Granted Patent
Utility
US 5,134,636 · App. 07/657,906
Synchronization circuit for a synchronous switching system
Inventors:
Gerard Barucchi, Jean Calvignac, Jose Galcera, Gilles Toubol, Andre Tracol, Daniel Orsatti
Patented Case
View Patent ↗
Granted: Jul 28, 1992
Filed: Feb 20, 1991
Inventors
Gerard Barucchi
Jean Calvignac
Jose Galcera
Gilles Toubol
Andre Tracol
Daniel Orsatti
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.