Granted Patent
Utility
US 6,084,881 · App. 08/861,673
Multiple mode xDSL interface
Inventors:
Klaus S. Fosmark, Kevin S. Dibble, William A. Perry, Jr.
Patented Case
View Patent ↗
Granted: Jul 4, 2000
Filed: May 22, 1997
Inventors
Klaus S. Fosmark
Kevin S. Dibble
William A. Perry, Jr.
Assignee (at issue)
Efficient Networks, 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.