Granted Patent
Utility
US 5,259,026 · App. 07/809,923
Method for speed calling automatic update
Inventor:
Carl Johnson
Patented Case
View Patent ↗
Granted: Nov 2, 1993
Filed: Dec 18, 1991
Inventor
Carl Johnson
Assignee (at issue)
Bell Communications Research, 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.