Granted Patent
Utility
US 5,678,198 · App. 08/440,976
System for controlling signal level at both ends of a transmission link, based upon a detected value
Inventor:
Paul Lemson
Patented Case
View Patent ↗
Granted: Oct 14, 1997
Filed: May 15, 1995
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.