Granted Patent
Utility
US 5,509,062 · App. 08/285,370
Intelligent terminal based selective call forwarding
Inventor:
Ralph Carlsen
Patented Case
View Patent ↗
Granted: Apr 16, 1996
Filed: Aug 3, 1994
Inventor
Ralph Carlsen
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.