Granted Patent
Utility
US 4,928,273 · App. 07/313,005
Time division multiplexer/demultiplexer with deterministic time slot assignment
Inventor:
Dimitrios Protopapas
Patented Case
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Granted: May 22, 1990
Filed: Feb 21, 1989
Inventor
Dimitrios Protopapas
Assignee (at issue)
Unisys 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.