Granted Patent
Utility
US 6,704,408 · App. 09/887,883
Method and system for connecting a wireline telephone to a wireline switch in a wireline telecommunications network
Inventors:
Dennis C. Smith, Don Gillespie, Gary Duffy, Charles I. Cook
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: Jun 22, 2001
Inventors
Dennis C. Smith
Don Gillespie
Gary Duffy
Charles I. Cook
Assignee (at issue)
Qwest Communications International 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.