Granted Patent
Utility
US 5,163,044 · App. 07/636,821
Use of a fractionally spaced equalizer to perform echo cancellation in a full-duplex modem
Inventor:
Glenn David Golden
Patented Case
View Patent ↗
Granted: Nov 10, 1992
Filed: Jan 2, 1991
Inventor
Glenn David Golden
Assignee (at issue)
AT&T Bell Laboratories
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.