Granted Patent
Utility
US 5,199,028 · App. 07/336,158
Asynchronous time division network
Inventor:
John S. Arnold
Patented Case
View Patent ↗
Granted: Mar 30, 1993
Filed: Apr 11, 1989
Inventor
John S. Arnold
Assignee (at issue)
BEC Plessey Telecommunications 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.