Granted Patent
Utility
US 5,457,811 · App. 08/257,903
System for controlling signal level at both ends of a transmission sink based on a detected value
Inventor:
Paul Lemson
Patented Case
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Granted: Oct 10, 1995
Filed: Jun 13, 1994
Inventor
Paul Lemson
Assignee (at issue)
Southwestern Bell Technology Resources, 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.