Granted Patent
Utility
US 5,546,442 · App. 08/264,651
Method and apparatus for use in completing telephone calls
Inventors:
Mark Jeffrey Foladare, Shelley B. Goldman, Nancy Murray, David Phillip Silverman, Yao-Chung Tsao, Roy Philip Weber
Patented Case
View Patent ↗
Granted: Aug 13, 1996
Filed: Jun 23, 1994
Inventors
Mark Jeffrey Foladare
Shelley B. Goldman
Nancy Murray
David Phillip Silverman
Yao-Chung Tsao
Roy Philip Weber
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.