Granted Patent
Utility
US 5,475,711 · App. 08/307,497
System for channel capacity modulation
Inventors:
William L. Betts, Edward S. Zuranski
Patented Case
View Patent ↗
Granted: Dec 12, 1995
Filed: Sep 14, 1994
Inventors
William L. Betts
Edward S. Zuranski
Assignee (at issue)
AT&T CORP.
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.