Granted Patent
Utility
US 5,537,447 · App. 08/287,752
Synchronous transmission system for carrying multiplexed signals
Inventor:
Ralph Urbansky
Patented Case
View Patent ↗
Granted: Jul 16, 1996
Filed: Aug 9, 1994
Inventor
Ralph Urbansky
Assignee (at issue)
LUCENT TECHNOLOGIES INC.
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.