Granted Patent
Utility
US 5,386,417 · App. 08/113,496
Method and apparatus for establishing connections in a communications access network
Inventors:
Thomas H. Daugherty, Dennis L. DeBruler, Daniel S. Greenberg, David J. Hodgdon, Douglas Murphy
Patented Case
View Patent ↗
Granted: Jan 31, 1995
Filed: Aug 27, 1993
Inventors
Thomas H. Daugherty
Dennis L. DeBruler
Daniel S. Greenberg
David J. Hodgdon
Douglas Murphy
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.