Granted Patent
Utility
US 5,212,686 · App. 07/414,289
Asynchronous time division switching arrangement and a method of operating same
Inventors:
Andrew Joy, Michael Jäger, Andrew Pickering, Raymond E. Oakley, John S. Arnold
Patented Case
View Patent ↗
Granted: May 18, 1993
Filed: Sep 29, 1989
Inventors
Andrew Joy
Michael Jäger
Andrew Pickering
Raymond E. Oakley
John S. Arnold
Assignees (at issue)
Plessey Overseas Limited
GEC Plessey Telecommunication Limited
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.