Granted Patent
Utility
US 6,697,461 · App. 09/505,146
Methods and apparatus for providing call screening and other communication services
Inventors:
Susan M. Middleswarth, John H. Wurster
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Feb 15, 2000
Inventors
Susan M. Middleswarth
John H. Wurster
Assignee (at issue)
Bell Atlantic Services Network
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.